Home / 18,681,565.48-28,026,131.02-7,898,849.02

Finding the Fourth Proportional to 18,681,565.48, 28,026,131.02 and 7,898,849.02

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Solution

The fourth proportional to 18,681,565.48, 28,026,131.02 and 7,898,849.02 is: 11,849,872.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,681,565.48 : 28,026,131.02 = 7,898,849.02 : x
  2. Step 2: Convert to fraction form
    18,681,565.48/28,026,131.02 = 7,898,849.02/x
  3. Step 3: Cross multiply
    18,681,565.48x = 28,026,131.02 × 7,898,849.02
  4. Step 4: Simplify right side
    18,681,565.48x = 221,374,177,557,004.12
  5. Step 5: Solve for x
    x = 221,374,177,557,004.12/18,681,565.48
  6. Step 6: Final answer
    x = 11,849,872.96

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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.