Home / 14,744,320.76-20,347,257.04-8,218,363.92

Finding the Fourth Proportional to 14,744,320.76, 20,347,257.04 and 8,218,363.92

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Solution

The fourth proportional to 14,744,320.76, 20,347,257.04 and 8,218,363.92 is: 11,341,394.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,744,320.76 : 20,347,257.04 = 8,218,363.92 : x
  2. Step 2: Convert to fraction form
    14,744,320.76/20,347,257.04 = 8,218,363.92/x
  3. Step 3: Cross multiply
    14,744,320.76x = 20,347,257.04 × 8,218,363.92
  4. Step 4: Simplify right side
    14,744,320.76x = 167,221,163,128,502
  5. Step 5: Solve for x
    x = 167,221,163,128,502/14,744,320.76
  6. Step 6: Final answer
    x = 11,341,394.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.