Home / 15,853,826.92-21,878,323.50-9,327,702.28

Finding the Fourth Proportional to 15,853,826.92, 21,878,323.50 and 9,327,702.28

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Solution

The fourth proportional to 15,853,826.92, 21,878,323.50 and 9,327,702.28 is: 12,872,254.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,853,826.92 : 21,878,323.50 = 9,327,702.28 : x
  2. Step 2: Convert to fraction form
    15,853,826.92/21,878,323.50 = 9,327,702.28/x
  3. Step 3: Cross multiply
    15,853,826.92x = 21,878,323.50 × 9,327,702.28
  4. Step 4: Simplify right side
    15,853,826.92x = 204,074,487,993,527.56
  5. Step 5: Solve for x
    x = 204,074,487,993,527.56/15,853,826.92
  6. Step 6: Final answer
    x = 12,872,254.06

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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.