Home / 13,230,359.48-19,816,605.20-9,380,512.29

Finding the Fourth Proportional to 13,230,359.48, 19,816,605.20 and 9,380,512.29

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Solution

The fourth proportional to 13,230,359.48, 19,816,605.20 and 9,380,512.29 is: 14,050,253.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230,359.48 : 19,816,605.20 = 9,380,512.29 : x
  2. Step 2: Convert to fraction form
    13,230,359.48/19,816,605.20 = 9,380,512.29/x
  3. Step 3: Cross multiply
    13,230,359.48x = 19,816,605.20 × 9,380,512.29
  4. Step 4: Simplify right side
    13,230,359.48x = 185,889,908,577,775.34
  5. Step 5: Solve for x
    x = 185,889,908,577,775.34/13,230,359.48
  6. Step 6: Final answer
    x = 14,050,253.81

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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.