Home / 8,577,993.28-12,866,994.72-5,385,361.76

Finding the Fourth Proportional to 8,577,993.28, 12,866,994.72 and 5,385,361.76

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Solution

The fourth proportional to 8,577,993.28, 12,866,994.72 and 5,385,361.76 is: 8,078,045.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577,993.28 : 12,866,994.72 = 5,385,361.76 : x
  2. Step 2: Convert to fraction form
    8,577,993.28/12,866,994.72 = 5,385,361.76/x
  3. Step 3: Cross multiply
    8,577,993.28x = 12,866,994.72 × 5,385,361.76
  4. Step 4: Simplify right side
    8,577,993.28x = 69,293,421,331,209.91
  5. Step 5: Solve for x
    x = 69,293,421,331,209.91/8,577,993.28
  6. Step 6: Final answer
    x = 8,078,045.65

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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.