Home / 20,013,853.87-30,023,210.09-5,636,921.65

Finding the Fourth Proportional to 20,013,853.87, 30,023,210.09 and 5,636,921.65

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Solution

The fourth proportional to 20,013,853.87, 30,023,210.09 and 5,636,921.65 is: 8,456,066.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013,853.87 : 30,023,210.09 = 5,636,921.65 : x
  2. Step 2: Convert to fraction form
    20,013,853.87/30,023,210.09 = 5,636,921.65/x
  3. Step 3: Cross multiply
    20,013,853.87x = 30,023,210.09 × 5,636,921.65
  4. Step 4: Simplify right side
    20,013,853.87x = 169,238,482,966,442.97
  5. Step 5: Solve for x
    x = 169,238,482,966,442.97/20,013,853.87
  6. Step 6: Final answer
    x = 8,456,066.69

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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.