Home / 30,715,299.71-42,387,045.18-17,662,559.77

Finding the Fourth Proportional to 30,715,299.71, 42,387,045.18 and 17,662,559.77

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Solution

The fourth proportional to 30,715,299.71, 42,387,045.18 and 17,662,559.77 is: 24,374,293.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,715,299.71 : 42,387,045.18 = 17,662,559.77 : x
  2. Step 2: Convert to fraction form
    30,715,299.71/42,387,045.18 = 17,662,559.77/x
  3. Step 3: Cross multiply
    30,715,299.71x = 42,387,045.18 × 17,662,559.77
  4. Step 4: Simplify right side
    30,715,299.71x = 748,663,718,877,127.50
  5. Step 5: Solve for x
    x = 748,663,718,877,127.50/30,715,299.71
  6. Step 6: Final answer
    x = 24,374,293.14

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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.