Home / 30,543,630.14-42,149,132.70-16,792,488.56

Finding the Fourth Proportional to 30,543,630.14, 42,149,132.70 and 16,792,488.56

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Solution

The fourth proportional to 30,543,630.14, 42,149,132.70 and 16,792,488.56 is: 23,173,042.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,543,630.14 : 42,149,132.70 = 16,792,488.56 : x
  2. Step 2: Convert to fraction form
    30,543,630.14/42,149,132.70 = 16,792,488.56/x
  3. Step 3: Cross multiply
    30,543,630.14x = 42,149,132.70 × 16,792,488.56
  4. Step 4: Simplify right side
    30,543,630.14x = 707,788,828,467,926.25
  5. Step 5: Solve for x
    x = 707,788,828,467,926.25/30,543,630.14
  6. Step 6: Final answer
    x = 23,173,042.15

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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.