Home / 10,011,734.88-15,017,573.16-8,659,877.28

Finding the Fourth Proportional to 10,011,734.88, 15,017,573.16 and 8,659,877.28

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Solution

The fourth proportional to 10,011,734.88, 15,017,573.16 and 8,659,877.28 is: 12,989,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011,734.88 : 15,017,573.16 = 8,659,877.28 : x
  2. Step 2: Convert to fraction form
    10,011,734.88/15,017,573.16 = 8,659,877.28/x
  3. Step 3: Cross multiply
    10,011,734.88x = 15,017,573.16 × 8,659,877.28
  4. Step 4: Simplify right side
    10,011,734.88x = 130,050,340,609,021.80
  5. Step 5: Solve for x
    x = 130,050,340,609,021.80/10,011,734.88
  6. Step 6: Final answer
    x = 12,989,790.70

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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.