Home / 10,458,034.40-15,718,544.40-9,072,351.20

Finding the Fourth Proportional to 10,458,034.40, 15,718,544.40 and 9,072,351.20

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Solution

The fourth proportional to 10,458,034.40, 15,718,544.40 and 9,072,351.20 is: 13,635,846.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458,034.40 : 15,718,544.40 = 9,072,351.20 : x
  2. Step 2: Convert to fraction form
    10,458,034.40/15,718,544.40 = 9,072,351.20/x
  3. Step 3: Cross multiply
    10,458,034.40x = 15,718,544.40 × 9,072,351.20
  4. Step 4: Simplify right side
    10,458,034.40x = 142,604,155,149,593.28
  5. Step 5: Solve for x
    x = 142,604,155,149,593.28/10,458,034.40
  6. Step 6: Final answer
    x = 13,635,846.82

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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.