Home / 14,391,749.60-21,587,624.40-5,418,314.72

Finding the Fourth Proportional to 14,391,749.60, 21,587,624.40 and 5,418,314.72

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Solution

The fourth proportional to 14,391,749.60, 21,587,624.40 and 5,418,314.72 is: 8,127,472.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391,749.60 : 21,587,624.40 = 5,418,314.72 : x
  2. Step 2: Convert to fraction form
    14,391,749.60/21,587,624.40 = 5,418,314.72/x
  3. Step 3: Cross multiply
    14,391,749.60x = 21,587,624.40 × 5,418,314.72
  4. Step 4: Simplify right side
    14,391,749.60x = 116,968,543,056,351.16
  5. Step 5: Solve for x
    x = 116,968,543,056,351.16/14,391,749.60
  6. Step 6: Final answer
    x = 8,127,472.08

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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.