Home / 11,657,728.80-17,486,593.20-7,406,200.80

Finding the Fourth Proportional to 11,657,728.80, 17,486,593.20 and 7,406,200.80

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Solution

The fourth proportional to 11,657,728.80, 17,486,593.20 and 7,406,200.80 is: 11,109,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657,728.80 : 17,486,593.20 = 7,406,200.80 : x
  2. Step 2: Convert to fraction form
    11,657,728.80/17,486,593.20 = 7,406,200.80/x
  3. Step 3: Cross multiply
    11,657,728.80x = 17,486,593.20 × 7,406,200.80
  4. Step 4: Simplify right side
    11,657,728.80x = 129,509,220,547,114.55
  5. Step 5: Solve for x
    x = 129,509,220,547,114.55/11,657,728.80
  6. Step 6: Final answer
    x = 11,109,301.20

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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.