Home / 42,279,896.80-63,391,851.60-15,350,053.60

Finding the Fourth Proportional to 42,279,896.80, 63,391,851.60 and 15,350,053.60

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Solution

The fourth proportional to 42,279,896.80, 63,391,851.60 and 15,350,053.60 is: 23,014,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,279,896.80 : 63,391,851.60 = 15,350,053.60 : x
  2. Step 2: Convert to fraction form
    42,279,896.80/63,391,851.60 = 15,350,053.60/x
  3. Step 3: Cross multiply
    42,279,896.80x = 63,391,851.60 × 15,350,053.60
  4. Step 4: Simplify right side
    42,279,896.80x = 973,068,319,863,245.75
  5. Step 5: Solve for x
    x = 973,068,319,863,245.75/42,279,896.80
  6. Step 6: Final answer
    x = 23,014,917.10

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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.