Home / 11,520,439.80-17,280,659.70-9,672,862.20

Finding the Fourth Proportional to 11,520,439.80, 17,280,659.70 and 9,672,862.20

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Solution

The fourth proportional to 11,520,439.80, 17,280,659.70 and 9,672,862.20 is: 14,509,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520,439.80 : 17,280,659.70 = 9,672,862.20 : x
  2. Step 2: Convert to fraction form
    11,520,439.80/17,280,659.70 = 9,672,862.20/x
  3. Step 3: Cross multiply
    11,520,439.80x = 17,280,659.70 × 9,672,862.20
  4. Step 4: Simplify right side
    11,520,439.80x = 167,153,440,003,193.31
  5. Step 5: Solve for x
    x = 167,153,440,003,193.31/11,520,439.80
  6. Step 6: Final answer
    x = 14,509,293.30

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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.