Home / 20,561,248.36-28,373,808.90-11,394,744.04

Finding the Fourth Proportional to 20,561,248.36, 28,373,808.90 and 11,394,744.04

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Solution

The fourth proportional to 20,561,248.36, 28,373,808.90 and 11,394,744.04 is: 15,724,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,561,248.36 : 28,373,808.90 = 11,394,744.04 : x
  2. Step 2: Convert to fraction form
    20,561,248.36/28,373,808.90 = 11,394,744.04/x
  3. Step 3: Cross multiply
    20,561,248.36x = 28,373,808.90 × 11,394,744.04
  4. Step 4: Simplify right side
    20,561,248.36x = 323,312,289,855,373.94
  5. Step 5: Solve for x
    x = 323,312,289,855,373.94/20,561,248.36
  6. Step 6: Final answer
    x = 15,724,351.18

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1.5x scale

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.