Home / 8,490,682.20-12,736,023.30-5,656,330.20

Finding the Fourth Proportional to 8,490,682.20, 12,736,023.30 and 5,656,330.20

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Solution

The fourth proportional to 8,490,682.20, 12,736,023.30 and 5,656,330.20 is: 8,484,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,490,682.20 : 12,736,023.30 = 5,656,330.20 : x
  2. Step 2: Convert to fraction form
    8,490,682.20/12,736,023.30 = 5,656,330.20/x
  3. Step 3: Cross multiply
    8,490,682.20x = 12,736,023.30 × 5,656,330.20
  4. Step 4: Simplify right side
    8,490,682.20x = 72,039,153,219,693.67
  5. Step 5: Solve for x
    x = 72,039,153,219,693.67/8,490,682.20
  6. Step 6: Final answer
    x = 8,484,495.30

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Double scale
Find fourth proportional to 8,490,683.20, 12,736,024.80 and 5,656,331.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.