Home / 28,608,451.86-42,908,635.52-9,175,152.30

Finding the Fourth Proportional to 28,608,451.86, 42,908,635.52 and 9,175,152.30

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Solution

The fourth proportional to 28,608,451.86, 42,908,635.52 and 9,175,152.30 is: 13,761,432.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,451.86 : 42,908,635.52 = 9,175,152.30 : x
  2. Step 2: Convert to fraction form
    28,608,451.86/42,908,635.52 = 9,175,152.30/x
  3. Step 3: Cross multiply
    28,608,451.86x = 42,908,635.52 × 9,175,152.30
  4. Step 4: Simplify right side
    28,608,451.86x = 393,693,265,881,189.75
  5. Step 5: Solve for x
    x = 393,693,265,881,189.75/28,608,451.86
  6. Step 6: Final answer
    x = 13,761,432.03

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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.