Home / 10,278,001.20-15,417,001.80-9,333,217.20

Finding the Fourth Proportional to 10,278,001.20, 15,417,001.80 and 9,333,217.20

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Solution

The fourth proportional to 10,278,001.20, 15,417,001.80 and 9,333,217.20 is: 13,999,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278,001.20 : 15,417,001.80 = 9,333,217.20 : x
  2. Step 2: Convert to fraction form
    10,278,001.20/15,417,001.80 = 9,333,217.20/x
  3. Step 3: Cross multiply
    10,278,001.20x = 15,417,001.80 × 9,333,217.20
  4. Step 4: Simplify right side
    10,278,001.20x = 143,890,226,372,190.97
  5. Step 5: Solve for x
    x = 143,890,226,372,190.97/10,278,001.20
  6. Step 6: Final answer
    x = 13,999,825.80

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1.5x scale

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.