Home / 36,687,981.40-55,031,972.10-20,762,733.40

Finding the Fourth Proportional to 36,687,981.40, 55,031,972.10 and 20,762,733.40

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Solution

The fourth proportional to 36,687,981.40, 55,031,972.10 and 20,762,733.40 is: 31,144,100.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,687,981.40 : 55,031,972.10 = 20,762,733.40 : x
  2. Step 2: Convert to fraction form
    36,687,981.40/55,031,972.10 = 20,762,733.40/x
  3. Step 3: Cross multiply
    36,687,981.40x = 55,031,972.10 × 20,762,733.40
  4. Step 4: Simplify right side
    36,687,981.40x = 1,142,614,165,188,538
  5. Step 5: Solve for x
    x = 1,142,614,165,188,538/36,687,981.40
  6. Step 6: Final answer
    x = 31,144,100.10

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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.