Home / 28,406,212.92-42,610,587.10-8,708,922.50

Finding the Fourth Proportional to 28,406,212.92, 42,610,587.10 and 8,708,922.50

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Solution

The fourth proportional to 28,406,212.92, 42,610,587.10 and 8,708,922.50 is: 13,063,772.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,406,212.92 : 42,610,587.10 = 8,708,922.50 : x
  2. Step 2: Convert to fraction form
    28,406,212.92/42,610,587.10 = 8,708,922.50/x
  3. Step 3: Cross multiply
    28,406,212.92x = 42,610,587.10 × 8,708,922.50
  4. Step 4: Simplify right side
    28,406,212.92x = 371,092,300,498,574.44
  5. Step 5: Solve for x
    x = 371,092,300,498,574.44/28,406,212.92
  6. Step 6: Final answer
    x = 13,063,772.41

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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.