Home / 39,817,147.20-54,918,326.07-30,028,003.98

Finding the Fourth Proportional to 39,817,147.20, 54,918,326.07 and 30,028,003.98

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Solution

The fourth proportional to 39,817,147.20, 54,918,326.07 and 30,028,003.98 is: 41,416,521.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,817,147.20 : 54,918,326.07 = 30,028,003.98 : x
  2. Step 2: Convert to fraction form
    39,817,147.20/54,918,326.07 = 30,028,003.98/x
  3. Step 3: Cross multiply
    39,817,147.20x = 54,918,326.07 × 30,028,003.98
  4. Step 4: Simplify right side
    39,817,147.20x = 1,649,087,713,804,897.75
  5. Step 5: Solve for x
    x = 1,649,087,713,804,897.75/39,817,147.20
  6. Step 6: Final answer
    x = 41,416,521.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.