Home / 15,781,535.27-21,793,559.47-14,921,769.27

Finding the Fourth Proportional to 15,781,535.27, 21,793,559.47 and 14,921,769.27

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Solution

The fourth proportional to 15,781,535.27, 21,793,559.47 and 14,921,769.27 is: 20,606,262.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781,535.27 : 21,793,559.47 = 14,921,769.27 : x
  2. Step 2: Convert to fraction form
    15,781,535.27/21,793,559.47 = 14,921,769.27/x
  3. Step 3: Cross multiply
    15,781,535.27x = 21,793,559.47 × 14,921,769.27
  4. Step 4: Simplify right side
    15,781,535.27x = 325,198,465,983,363.44
  5. Step 5: Solve for x
    x = 325,198,465,983,363.44/15,781,535.27
  6. Step 6: Final answer
    x = 20,606,262.99

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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.