Home / 18,851,679.08-28,277,476.78-5,018,641.26

Finding the Fourth Proportional to 18,851,679.08, 28,277,476.78 and 5,018,641.26

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Solution

The fourth proportional to 18,851,679.08, 28,277,476.78 and 5,018,641.26 is: 7,527,950.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851,679.08 : 28,277,476.78 = 5,018,641.26 : x
  2. Step 2: Convert to fraction form
    18,851,679.08/28,277,476.78 = 5,018,641.26/x
  3. Step 3: Cross multiply
    18,851,679.08x = 28,277,476.78 × 5,018,641.26
  4. Step 4: Simplify right side
    18,851,679.08x = 141,914,511,653,032.91
  5. Step 5: Solve for x
    x = 141,914,511,653,032.91/18,851,679.08
  6. Step 6: Final answer
    x = 7,527,950.75

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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.