Home / 25,708,189.32-38,536,738.20-12,889,569.96

Finding the Fourth Proportional to 25,708,189.32, 38,536,738.20 and 12,889,569.96

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Solution

The fourth proportional to 25,708,189.32, 38,536,738.20 and 12,889,569.96 is: 19,321,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,708,189.32 : 38,536,738.20 = 12,889,569.96 : x
  2. Step 2: Convert to fraction form
    25,708,189.32/38,536,738.20 = 12,889,569.96/x
  3. Step 3: Cross multiply
    25,708,189.32x = 38,536,738.20 × 12,889,569.96
  4. Step 4: Simplify right side
    25,708,189.32x = 496,721,983,059,104.56
  5. Step 5: Solve for x
    x = 496,721,983,059,104.56/25,708,189.32
  6. Step 6: Final answer
    x = 19,321,546.80

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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.