Home / 12,287,068.30-18,407,101.65-6,605,404.30

Finding the Fourth Proportional to 12,287,068.30, 18,407,101.65 and 6,605,404.30

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Solution

The fourth proportional to 12,287,068.30, 18,407,101.65 and 6,605,404.30 is: 9,895,472.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287,068.30 : 18,407,101.65 = 6,605,404.30 : x
  2. Step 2: Convert to fraction form
    12,287,068.30/18,407,101.65 = 6,605,404.30/x
  3. Step 3: Cross multiply
    12,287,068.30x = 18,407,101.65 × 6,605,404.30
  4. Step 4: Simplify right side
    12,287,068.30x = 121,586,348,389,447.08
  5. Step 5: Solve for x
    x = 121,586,348,389,447.08/12,287,068.30
  6. Step 6: Final answer
    x = 9,895,472.66

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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.