Home / 8,613,338.28-12,920,056.28-2,223,153.76

Finding the Fourth Proportional to 8,613,338.28, 12,920,056.28 and 2,223,153.76

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Solution

The fourth proportional to 8,613,338.28, 12,920,056.28 and 2,223,153.76 is: 3,334,743.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,613,338.28 : 12,920,056.28 = 2,223,153.76 : x
  2. Step 2: Convert to fraction form
    8,613,338.28/12,920,056.28 = 2,223,153.76/x
  3. Step 3: Cross multiply
    8,613,338.28x = 12,920,056.28 × 2,223,153.76
  4. Step 4: Simplify right side
    8,613,338.28x = 28,723,271,698,293.61
  5. Step 5: Solve for x
    x = 28,723,271,698,293.61/8,613,338.28
  6. Step 6: Final answer
    x = 3,334,743.25

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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.