Home / 36,005,564.42-49,687,988.71-20,536,432.28

Finding the Fourth Proportional to 36,005,564.42, 49,687,988.71 and 20,536,432.28

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Solution

The fourth proportional to 36,005,564.42, 49,687,988.71 and 20,536,432.28 is: 28,340,453.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,005,564.42 : 49,687,988.71 = 20,536,432.28 : x
  2. Step 2: Convert to fraction form
    36,005,564.42/49,687,988.71 = 20,536,432.28/x
  3. Step 3: Cross multiply
    36,005,564.42x = 49,687,988.71 × 20,536,432.28
  4. Step 4: Simplify right side
    36,005,564.42x = 1,020,414,015,272,319.62
  5. Step 5: Solve for x
    x = 1,020,414,015,272,319.62/36,005,564.42
  6. Step 6: Final answer
    x = 28,340,453.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.