Home / 14,694,679.28-20,280,297.84-8,896,656.08

Finding the Fourth Proportional to 14,694,679.28, 20,280,297.84 and 8,896,656.08

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Solution

The fourth proportional to 14,694,679.28, 20,280,297.84 and 8,896,656.08 is: 12,278,378.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,694,679.28 : 20,280,297.84 = 8,896,656.08 : x
  2. Step 2: Convert to fraction form
    14,694,679.28/20,280,297.84 = 8,896,656.08/x
  3. Step 3: Cross multiply
    14,694,679.28x = 20,280,297.84 × 8,896,656.08
  4. Step 4: Simplify right side
    14,694,679.28x = 180,426,835,082,446.88
  5. Step 5: Solve for x
    x = 180,426,835,082,446.88/14,694,679.28
  6. Step 6: Final answer
    x = 12,278,378.56

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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.