Home / 28,214,569.80-42,321,854.70-9,059,074.20

Finding the Fourth Proportional to 28,214,569.80, 42,321,854.70 and 9,059,074.20

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Solution

The fourth proportional to 28,214,569.80, 42,321,854.70 and 9,059,074.20 is: 13,588,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,214,569.80 : 42,321,854.70 = 9,059,074.20 : x
  2. Step 2: Convert to fraction form
    28,214,569.80/42,321,854.70 = 9,059,074.20/x
  3. Step 3: Cross multiply
    28,214,569.80x = 42,321,854.70 × 9,059,074.20
  4. Step 4: Simplify right side
    28,214,569.80x = 383,396,822,008,918.75
  5. Step 5: Solve for x
    x = 383,396,822,008,918.75/28,214,569.80
  6. Step 6: Final answer
    x = 13,588,611.30

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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.