Home / 20,460,281.06-30,703,488.92-9,678,217.97

Finding the Fourth Proportional to 20,460,281.06, 30,703,488.92 and 9,678,217.97

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Solution

The fourth proportional to 20,460,281.06, 30,703,488.92 and 9,678,217.97 is: 14,523,508.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,460,281.06 : 30,703,488.92 = 9,678,217.97 : x
  2. Step 2: Convert to fraction form
    20,460,281.06/30,703,488.92 = 9,678,217.97/x
  3. Step 3: Cross multiply
    20,460,281.06x = 30,703,488.92 × 9,678,217.97
  4. Step 4: Simplify right side
    20,460,281.06x = 297,155,058,271,900.81
  5. Step 5: Solve for x
    x = 297,155,058,271,900.81/20,460,281.06
  6. Step 6: Final answer
    x = 14,523,508.13

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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.