Home / 14,969,259.56-20,657,457.98-8,690,369.56

Finding the Fourth Proportional to 14,969,259.56, 20,657,457.98 and 8,690,369.56

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Solution

The fourth proportional to 14,969,259.56, 20,657,457.98 and 8,690,369.56 is: 11,992,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969,259.56 : 20,657,457.98 = 8,690,369.56 : x
  2. Step 2: Convert to fraction form
    14,969,259.56/20,657,457.98 = 8,690,369.56/x
  3. Step 3: Cross multiply
    14,969,259.56x = 20,657,457.98 × 8,690,369.56
  4. Step 4: Simplify right side
    14,969,259.56x = 179,520,944,016,371.09
  5. Step 5: Solve for x
    x = 179,520,944,016,371.09/14,969,259.56
  6. Step 6: Final answer
    x = 11,992,640.20

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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.