Home / 28,035,364.18-42,060,149.07-8,605,575.21

Finding the Fourth Proportional to 28,035,364.18, 42,060,149.07 and 8,605,575.21

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Solution

The fourth proportional to 28,035,364.18, 42,060,149.07 and 8,605,575.21 is: 12,910,543.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035,364.18 : 42,060,149.07 = 8,605,575.21 : x
  2. Step 2: Convert to fraction form
    28,035,364.18/42,060,149.07 = 8,605,575.21/x
  3. Step 3: Cross multiply
    28,035,364.18x = 42,060,149.07 × 8,605,575.21
  4. Step 4: Simplify right side
    28,035,364.18x = 361,951,776,279,749.12
  5. Step 5: Solve for x
    x = 361,951,776,279,749.12/28,035,364.18
  6. Step 6: Final answer
    x = 12,910,543.05

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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.