Home / 7,187,685.51-9,918,930.81-3,924,490.15

Finding the Fourth Proportional to 7,187,685.51, 9,918,930.81 and 3,924,490.15

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Solution

The fourth proportional to 7,187,685.51, 9,918,930.81 and 3,924,490.15 is: 5,415,755.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,685.51 : 9,918,930.81 = 3,924,490.15 : x
  2. Step 2: Convert to fraction form
    7,187,685.51/9,918,930.81 = 3,924,490.15/x
  3. Step 3: Cross multiply
    7,187,685.51x = 9,918,930.81 × 3,924,490.15
  4. Step 4: Simplify right side
    7,187,685.51x = 38,926,746,262,376.52
  5. Step 5: Solve for x
    x = 38,926,746,262,376.52/7,187,685.51
  6. Step 6: Final answer
    x = 5,415,755.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.