Home / 12,840,116.20-19,260,174.30-4,317,620.20

Finding the Fourth Proportional to 12,840,116.20, 19,260,174.30 and 4,317,620.20

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Solution

The fourth proportional to 12,840,116.20, 19,260,174.30 and 4,317,620.20 is: 6,476,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,840,116.20 : 19,260,174.30 = 4,317,620.20 : x
  2. Step 2: Convert to fraction form
    12,840,116.20/19,260,174.30 = 4,317,620.20/x
  3. Step 3: Cross multiply
    12,840,116.20x = 19,260,174.30 × 4,317,620.20
  4. Step 4: Simplify right side
    12,840,116.20x = 83,158,117,613,200.86
  5. Step 5: Solve for x
    x = 83,158,117,613,200.86/12,840,116.20
  6. Step 6: Final answer
    x = 6,476,430.30

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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.