Home / 10,308,052.30-15,462,078.45-9,720,186.70

Finding the Fourth Proportional to 10,308,052.30, 15,462,078.45 and 9,720,186.70

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Solution

The fourth proportional to 10,308,052.30, 15,462,078.45 and 9,720,186.70 is: 14,580,280.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308,052.30 : 15,462,078.45 = 9,720,186.70 : x
  2. Step 2: Convert to fraction form
    10,308,052.30/15,462,078.45 = 9,720,186.70/x
  3. Step 3: Cross multiply
    10,308,052.30x = 15,462,078.45 × 9,720,186.70
  4. Step 4: Simplify right side
    10,308,052.30x = 150,294,289,304,046.59
  5. Step 5: Solve for x
    x = 150,294,289,304,046.59/10,308,052.30
  6. Step 6: Final answer
    x = 14,580,280.05

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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.