Home / 27,681,024.66-38,171,411.02-18,385,224.90

Finding the Fourth Proportional to 27,681,024.66, 38,171,411.02 and 18,385,224.90

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Solution

The fourth proportional to 27,681,024.66, 38,171,411.02 and 18,385,224.90 is: 25,352,745.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,681,024.66 : 38,171,411.02 = 18,385,224.90 : x
  2. Step 2: Convert to fraction form
    27,681,024.66/38,171,411.02 = 18,385,224.90/x
  3. Step 3: Cross multiply
    27,681,024.66x = 38,171,411.02 × 18,385,224.90
  4. Step 4: Simplify right side
    27,681,024.66x = 701,789,976,353,038.38
  5. Step 5: Solve for x
    x = 701,789,976,353,038.38/27,681,024.66
  6. Step 6: Final answer
    x = 25,352,745.61

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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.