Home / 15,584,045.28-21,505,947.84-8,708,528.04

Finding the Fourth Proportional to 15,584,045.28, 21,505,947.84 and 8,708,528.04

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Solution

The fourth proportional to 15,584,045.28, 21,505,947.84 and 8,708,528.04 is: 12,017,749.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,584,045.28 : 21,505,947.84 = 8,708,528.04 : x
  2. Step 2: Convert to fraction form
    15,584,045.28/21,505,947.84 = 8,708,528.04/x
  3. Step 3: Cross multiply
    15,584,045.28x = 21,505,947.84 × 8,708,528.04
  4. Step 4: Simplify right side
    15,584,045.28x = 187,285,149,791,417.41
  5. Step 5: Solve for x
    x = 187,285,149,791,417.41/15,584,045.28
  6. Step 6: Final answer
    x = 12,017,749.33

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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.