Home / 40,712,076.90-61,076,972.70-13,413,724.20

Finding the Fourth Proportional to 40,712,076.90, 61,076,972.70 and 13,413,724.20

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Solution

The fourth proportional to 40,712,076.90, 61,076,972.70 and 13,413,724.20 is: 20,123,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,712,076.90 : 61,076,972.70 = 13,413,724.20 : x
  2. Step 2: Convert to fraction form
    40,712,076.90/61,076,972.70 = 13,413,724.20/x
  3. Step 3: Cross multiply
    40,712,076.90x = 61,076,972.70 × 13,413,724.20
  4. Step 4: Simplify right side
    40,712,076.90x = 819,269,666,768,729.38
  5. Step 5: Solve for x
    x = 819,269,666,768,729.38/40,712,076.90
  6. Step 6: Final answer
    x = 20,123,504.60

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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.