Home / 20,974,085.70-31,407,984.45-16,722,557.70

Finding the Fourth Proportional to 20,974,085.70, 31,407,984.45 and 16,722,557.70

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Solution

The fourth proportional to 20,974,085.70, 31,407,984.45 and 16,722,557.70 is: 25,041,464.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,974,085.70 : 31,407,984.45 = 16,722,557.70 : x
  2. Step 2: Convert to fraction form
    20,974,085.70/31,407,984.45 = 16,722,557.70/x
  3. Step 3: Cross multiply
    20,974,085.70x = 31,407,984.45 × 16,722,557.70
  4. Step 4: Simplify right side
    20,974,085.70x = 525,221,832,205,827.75
  5. Step 5: Solve for x
    x = 525,221,832,205,827.75/20,974,085.70
  6. Step 6: Final answer
    x = 25,041,464.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.