Home / 30,386,178.11-45,586,518.19-9,915,935.74

Finding the Fourth Proportional to 30,386,178.11, 45,586,518.19 and 9,915,935.74

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Solution

The fourth proportional to 30,386,178.11, 45,586,518.19 and 9,915,935.74 is: 14,876,269.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386,178.11 : 45,586,518.19 = 9,915,935.74 : x
  2. Step 2: Convert to fraction form
    30,386,178.11/45,586,518.19 = 9,915,935.74/x
  3. Step 3: Cross multiply
    30,386,178.11x = 45,586,518.19 × 9,915,935.74
  4. Step 4: Simplify right side
    30,386,178.11x = 452,032,984,843,625
  5. Step 5: Solve for x
    x = 452,032,984,843,625/30,386,178.11
  6. Step 6: Final answer
    x = 14,876,269.83

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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.