Home / 28,050,132.20-42,079,134.90-8,878,890.20

Finding the Fourth Proportional to 28,050,132.20, 42,079,134.90 and 8,878,890.20

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Solution

The fourth proportional to 28,050,132.20, 42,079,134.90 and 8,878,890.20 is: 13,319,581.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050,132.20 : 42,079,134.90 = 8,878,890.20 : x
  2. Step 2: Convert to fraction form
    28,050,132.20/42,079,134.90 = 8,878,890.20/x
  3. Step 3: Cross multiply
    28,050,132.20x = 42,079,134.90 × 8,878,890.20
  4. Step 4: Simplify right side
    28,050,132.20x = 373,616,018,488,087.94
  5. Step 5: Solve for x
    x = 373,616,018,488,087.94/28,050,132.20
  6. Step 6: Final answer
    x = 13,319,581.38

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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.