Home / 14,606,974-20,158,217.65-8,080,490.94

Finding the Fourth Proportional to 14,606,974, 20,158,217.65 and 8,080,490.94

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Solution

The fourth proportional to 14,606,974, 20,158,217.65 and 8,080,490.94 is: 11,151,405.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,606,974 : 20,158,217.65 = 8,080,490.94 : x
  2. Step 2: Convert to fraction form
    14,606,974/20,158,217.65 = 8,080,490.94/x
  3. Step 3: Cross multiply
    14,606,974x = 20,158,217.65 × 8,080,490.94
  4. Step 4: Simplify right side
    14,606,974x = 162,888,294,966,380.78
  5. Step 5: Solve for x
    x = 162,888,294,966,380.78/14,606,974
  6. Step 6: Final answer
    x = 11,151,405.83

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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.