Home / 8,490,466.20-12,735,699.30-5,656,114.20

Finding the Fourth Proportional to 8,490,466.20, 12,735,699.30 and 5,656,114.20

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Solution

The fourth proportional to 8,490,466.20, 12,735,699.30 and 5,656,114.20 is: 8,484,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,490,466.20 : 12,735,699.30 = 5,656,114.20 : x
  2. Step 2: Convert to fraction form
    8,490,466.20/12,735,699.30 = 5,656,114.20/x
  3. Step 3: Cross multiply
    8,490,466.20x = 12,735,699.30 × 5,656,114.20
  4. Step 4: Simplify right side
    8,490,466.20x = 72,034,569,657,660.06
  5. Step 5: Solve for x
    x = 72,034,569,657,660.06/8,490,466.20
  6. Step 6: Final answer
    x = 8,484,171.30

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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.