Home / 28,251,478.08-42,397,337.52-12,900,837.60

Finding the Fourth Proportional to 28,251,478.08, 42,397,337.52 and 12,900,837.60

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Solution

The fourth proportional to 28,251,478.08, 42,397,337.52 and 12,900,837.60 is: 19,360,444.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,251,478.08 : 42,397,337.52 = 12,900,837.60 : x
  2. Step 2: Convert to fraction form
    28,251,478.08/42,397,337.52 = 12,900,837.60/x
  3. Step 3: Cross multiply
    28,251,478.08x = 42,397,337.52 × 12,900,837.60
  4. Step 4: Simplify right side
    28,251,478.08x = 546,961,166,017,906.75
  5. Step 5: Solve for x
    x = 546,961,166,017,906.75/28,251,478.08
  6. Step 6: Final answer
    x = 19,360,444.24

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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.