Home / 40,712,083.40-61,076,982.45-13,413,730.70

Finding the Fourth Proportional to 40,712,083.40, 61,076,982.45 and 13,413,730.70

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Solution

The fourth proportional to 40,712,083.40, 61,076,982.45 and 13,413,730.70 is: 20,123,514.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,712,083.40 : 61,076,982.45 = 13,413,730.70 : x
  2. Step 2: Convert to fraction form
    40,712,083.40/61,076,982.45 = 13,413,730.70/x
  3. Step 3: Cross multiply
    40,712,083.40x = 61,076,982.45 × 13,413,730.70
  4. Step 4: Simplify right side
    40,712,083.40x = 819,270,194,552,926.25
  5. Step 5: Solve for x
    x = 819,270,194,552,926.25/40,712,083.40
  6. Step 6: Final answer
    x = 20,123,514.35

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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.