Home / 10,865,433.12-14,979,314.85-8,667,756.20

Finding the Fourth Proportional to 10,865,433.12, 14,979,314.85 and 8,667,756.20

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Solution

The fourth proportional to 10,865,433.12, 14,979,314.85 and 8,667,756.20 is: 11,949,551.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,433.12 : 14,979,314.85 = 8,667,756.20 : x
  2. Step 2: Convert to fraction form
    10,865,433.12/14,979,314.85 = 8,667,756.20/x
  3. Step 3: Cross multiply
    10,865,433.12x = 14,979,314.85 × 8,667,756.20
  4. Step 4: Simplify right side
    10,865,433.12x = 129,837,049,167,783.78
  5. Step 5: Solve for x
    x = 129,837,049,167,783.78/10,865,433.12
  6. Step 6: Final answer
    x = 11,949,551.18

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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.