Home / 40,712,085.40-61,076,985.45-13,413,732.70

Finding the Fourth Proportional to 40,712,085.40, 61,076,985.45 and 13,413,732.70

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Solution

The fourth proportional to 40,712,085.40, 61,076,985.45 and 13,413,732.70 is: 20,123,517.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,712,085.40 : 61,076,985.45 = 13,413,732.70 : x
  2. Step 2: Convert to fraction form
    40,712,085.40/61,076,985.45 = 13,413,732.70/x
  3. Step 3: Cross multiply
    40,712,085.40x = 61,076,985.45 × 13,413,732.70
  4. Step 4: Simplify right side
    40,712,085.40x = 819,270,356,948,089.25
  5. Step 5: Solve for x
    x = 819,270,356,948,089.25/40,712,085.40
  6. Step 6: Final answer
    x = 20,123,517.35

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1.5x scale

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.