Home / 21,731,460.90-32,585,381.55-8,953,257.30

Finding the Fourth Proportional to 21,731,460.90, 32,585,381.55 and 8,953,257.30

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Solution

The fourth proportional to 21,731,460.90, 32,585,381.55 and 8,953,257.30 is: 13,425,020.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,731,460.90 : 32,585,381.55 = 8,953,257.30 : x
  2. Step 2: Convert to fraction form
    21,731,460.90/32,585,381.55 = 8,953,257.30/x
  3. Step 3: Cross multiply
    21,731,460.90x = 32,585,381.55 × 8,953,257.30
  4. Step 4: Simplify right side
    21,731,460.90x = 291,745,305,235,822.88
  5. Step 5: Solve for x
    x = 291,745,305,235,822.88/21,731,460.90
  6. Step 6: Final answer
    x = 13,425,020.37

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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.