Home / 31,130,600.80-46,695,901.20-16,781,693.80

Finding the Fourth Proportional to 31,130,600.80, 46,695,901.20 and 16,781,693.80

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Solution

The fourth proportional to 31,130,600.80, 46,695,901.20 and 16,781,693.80 is: 25,172,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,130,600.80 : 46,695,901.20 = 16,781,693.80 : x
  2. Step 2: Convert to fraction form
    31,130,600.80/46,695,901.20 = 16,781,693.80/x
  3. Step 3: Cross multiply
    31,130,600.80x = 46,695,901.20 × 16,781,693.80
  4. Step 4: Simplify right side
    31,130,600.80x = 783,636,315,653,452.62
  5. Step 5: Solve for x
    x = 783,636,315,653,452.62/31,130,600.80
  6. Step 6: Final answer
    x = 25,172,540.70

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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.