Home / 31,100,478.75-42,913,346.27-18,044,744.85

Finding the Fourth Proportional to 31,100,478.75, 42,913,346.27 and 18,044,744.85

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Solution

The fourth proportional to 31,100,478.75, 42,913,346.27 and 18,044,744.85 is: 24,898,664.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,100,478.75 : 42,913,346.27 = 18,044,744.85 : x
  2. Step 2: Convert to fraction form
    31,100,478.75/42,913,346.27 = 18,044,744.85/x
  3. Step 3: Cross multiply
    31,100,478.75x = 42,913,346.27 × 18,044,744.85
  4. Step 4: Simplify right side
    31,100,478.75x = 774,360,384,011,625.50
  5. Step 5: Solve for x
    x = 774,360,384,011,625.50/31,100,478.75
  6. Step 6: Final answer
    x = 24,898,664.43

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Double scale
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1.5x scale

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.