Home / 15,391,629.40-23,072,216.10-7,290,365.80

Finding the Fourth Proportional to 15,391,629.40, 23,072,216.10 and 7,290,365.80

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Solution

The fourth proportional to 15,391,629.40, 23,072,216.10 and 7,290,365.80 is: 10,928,335.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,391,629.40 : 23,072,216.10 = 7,290,365.80 : x
  2. Step 2: Convert to fraction form
    15,391,629.40/23,072,216.10 = 7,290,365.80/x
  3. Step 3: Cross multiply
    15,391,629.40x = 23,072,216.10 × 7,290,365.80
  4. Step 4: Simplify right side
    15,391,629.40x = 168,204,895,185,649.38
  5. Step 5: Solve for x
    x = 168,204,895,185,649.38/15,391,629.40
  6. Step 6: Final answer
    x = 10,928,335.84

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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.