Home / 15,487,402.68-21,375,290.85-8,964,628.59

Finding the Fourth Proportional to 15,487,402.68, 21,375,290.85 and 8,964,628.59

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Solution

The fourth proportional to 15,487,402.68, 21,375,290.85 and 8,964,628.59 is: 12,372,735.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487,402.68 : 21,375,290.85 = 8,964,628.59 : x
  2. Step 2: Convert to fraction form
    15,487,402.68/21,375,290.85 = 8,964,628.59/x
  3. Step 3: Cross multiply
    15,487,402.68x = 21,375,290.85 × 8,964,628.59
  4. Step 4: Simplify right side
    15,487,402.68x = 191,621,543,473,475.41
  5. Step 5: Solve for x
    x = 191,621,543,473,475.41/15,487,402.68
  6. Step 6: Final answer
    x = 12,372,735.92

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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.