Home / 52,414,458.12-72,328,774.77-28,891,966.20

Finding the Fourth Proportional to 52,414,458.12, 72,328,774.77 and 28,891,966.20

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Solution

The fourth proportional to 52,414,458.12, 72,328,774.77 and 28,891,966.20 is: 39,869,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,414,458.12 : 72,328,774.77 = 28,891,966.20 : x
  2. Step 2: Convert to fraction form
    52,414,458.12/72,328,774.77 = 28,891,966.20/x
  3. Step 3: Cross multiply
    52,414,458.12x = 72,328,774.77 × 28,891,966.20
  4. Step 4: Simplify right side
    52,414,458.12x = 2,089,720,515,942,252.50
  5. Step 5: Solve for x
    x = 2,089,720,515,942,252.50/52,414,458.12
  6. Step 6: Final answer
    x = 39,869,161.89

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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.