Home / 28,543,444.96-42,815,517.36-8,349,095.20

Finding the Fourth Proportional to 28,543,444.96, 42,815,517.36 and 8,349,095.20

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Solution

The fourth proportional to 28,543,444.96, 42,815,517.36 and 8,349,095.20 is: 12,523,745.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,543,444.96 : 42,815,517.36 = 8,349,095.20 : x
  2. Step 2: Convert to fraction form
    28,543,444.96/42,815,517.36 = 8,349,095.20/x
  3. Step 3: Cross multiply
    28,543,444.96x = 42,815,517.36 × 8,349,095.20
  4. Step 4: Simplify right side
    28,543,444.96x = 357,470,830,475,892.69
  5. Step 5: Solve for x
    x = 357,470,830,475,892.69/28,543,444.96
  6. Step 6: Final answer
    x = 12,523,745.15

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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.