Home / 40,307,897.60-60,423,139.20-13,367,686.40

Finding the Fourth Proportional to 40,307,897.60, 60,423,139.20 and 13,367,686.40

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Solution

The fourth proportional to 40,307,897.60, 60,423,139.20 and 13,367,686.40 is: 20,038,692.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,307,897.60 : 60,423,139.20 = 13,367,686.40 : x
  2. Step 2: Convert to fraction form
    40,307,897.60/60,423,139.20 = 13,367,686.40/x
  3. Step 3: Cross multiply
    40,307,897.60x = 60,423,139.20 × 13,367,686.40
  4. Step 4: Simplify right side
    40,307,897.60x = 807,717,576,129,147
  5. Step 5: Solve for x
    x = 807,717,576,129,147/40,307,897.60
  6. Step 6: Final answer
    x = 20,038,692.77

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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.