Home / 25,348,529.40-38,022,794.10-21,149,489.40

Finding the Fourth Proportional to 25,348,529.40, 38,022,794.10 and 21,149,489.40

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Solution

The fourth proportional to 25,348,529.40, 38,022,794.10 and 21,149,489.40 is: 31,724,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,348,529.40 : 38,022,794.10 = 21,149,489.40 : x
  2. Step 2: Convert to fraction form
    25,348,529.40/38,022,794.10 = 21,149,489.40/x
  3. Step 3: Cross multiply
    25,348,529.40x = 38,022,794.10 × 21,149,489.40
  4. Step 4: Simplify right side
    25,348,529.40x = 804,162,680,776,332.50
  5. Step 5: Solve for x
    x = 804,162,680,776,332.50/25,348,529.40
  6. Step 6: Final answer
    x = 31,724,234.10

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1.5x scale

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.