Home / 13,231,638.70-19,847,458.05-9,872,406.70

Finding the Fourth Proportional to 13,231,638.70, 19,847,458.05 and 9,872,406.70

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Solution

The fourth proportional to 13,231,638.70, 19,847,458.05 and 9,872,406.70 is: 14,808,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231,638.70 : 19,847,458.05 = 9,872,406.70 : x
  2. Step 2: Convert to fraction form
    13,231,638.70/19,847,458.05 = 9,872,406.70/x
  3. Step 3: Cross multiply
    13,231,638.70x = 19,847,458.05 × 9,872,406.70
  4. Step 4: Simplify right side
    13,231,638.70x = 195,942,177,830,788.94
  5. Step 5: Solve for x
    x = 195,942,177,830,788.94/13,231,638.70
  6. Step 6: Final answer
    x = 14,808,610.05

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Similar ratio
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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.