Home / 13,432,916.20-20,149,374.30-7,750,215.40

Finding the Fourth Proportional to 13,432,916.20, 20,149,374.30 and 7,750,215.40

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Solution

The fourth proportional to 13,432,916.20, 20,149,374.30 and 7,750,215.40 is: 11,625,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432,916.20 : 20,149,374.30 = 7,750,215.40 : x
  2. Step 2: Convert to fraction form
    13,432,916.20/20,149,374.30 = 7,750,215.40/x
  3. Step 3: Cross multiply
    13,432,916.20x = 20,149,374.30 × 7,750,215.40
  4. Step 4: Simplify right side
    13,432,916.20x = 156,161,991,000,224.22
  5. Step 5: Solve for x
    x = 156,161,991,000,224.22/13,432,916.20
  6. Step 6: Final answer
    x = 11,625,323.10

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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.