Home / 20,666,209.92-30,983,870.88-14,258,176.80

Finding the Fourth Proportional to 20,666,209.92, 30,983,870.88 and 14,258,176.80

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Solution

The fourth proportional to 20,666,209.92, 30,983,870.88 and 14,258,176.80 is: 21,376,609.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,666,209.92 : 30,983,870.88 = 14,258,176.80 : x
  2. Step 2: Convert to fraction form
    20,666,209.92/30,983,870.88 = 14,258,176.80/x
  3. Step 3: Cross multiply
    20,666,209.92x = 30,983,870.88 × 14,258,176.80
  4. Step 4: Simplify right side
    20,666,209.92x = 441,773,508,955,411.56
  5. Step 5: Solve for x
    x = 441,773,508,955,411.56/20,666,209.92
  6. Step 6: Final answer
    x = 21,376,609.97

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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.