Home / 20,541,402-28,346,788.26-11,373,847.92

Finding the Fourth Proportional to 20,541,402, 28,346,788.26 and 11,373,847.92

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Solution

The fourth proportional to 20,541,402, 28,346,788.26 and 11,373,847.92 is: 15,695,718.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541,402 : 28,346,788.26 = 11,373,847.92 : x
  2. Step 2: Convert to fraction form
    20,541,402/28,346,788.26 = 11,373,847.92/x
  3. Step 3: Cross multiply
    20,541,402x = 28,346,788.26 × 11,373,847.92
  4. Step 4: Simplify right side
    20,541,402x = 322,412,058,689,681.44
  5. Step 5: Solve for x
    x = 322,412,058,689,681.44/20,541,402
  6. Step 6: Final answer
    x = 15,695,718.27

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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.