Home / 13,306,887.20-19,960,330.80-7,260,269.60

Finding the Fourth Proportional to 13,306,887.20, 19,960,330.80 and 7,260,269.60

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Solution

The fourth proportional to 13,306,887.20, 19,960,330.80 and 7,260,269.60 is: 10,890,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,887.20 : 19,960,330.80 = 7,260,269.60 : x
  2. Step 2: Convert to fraction form
    13,306,887.20/19,960,330.80 = 7,260,269.60/x
  3. Step 3: Cross multiply
    13,306,887.20x = 19,960,330.80 × 7,260,269.60
  4. Step 4: Simplify right side
    13,306,887.20x = 144,917,382,913,183.69
  5. Step 5: Solve for x
    x = 144,917,382,913,183.69/13,306,887.20
  6. Step 6: Final answer
    x = 10,890,404.40

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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.