Home / 12,482,814.30-18,682,749.45-9,061,374.30

Finding the Fourth Proportional to 12,482,814.30, 18,682,749.45 and 9,061,374.30

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Solution

The fourth proportional to 12,482,814.30, 18,682,749.45 and 9,061,374.30 is: 13,561,956.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,814.30 : 18,682,749.45 = 9,061,374.30 : x
  2. Step 2: Convert to fraction form
    12,482,814.30/18,682,749.45 = 9,061,374.30/x
  3. Step 3: Cross multiply
    12,482,814.30x = 18,682,749.45 × 9,061,374.30
  4. Step 4: Simplify right side
    12,482,814.30x = 169,291,385,719,569.16
  5. Step 5: Solve for x
    x = 169,291,385,719,569.16/12,482,814.30
  6. Step 6: Final answer
    x = 13,561,956.59

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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.