Home / 29,125,780.96-40,194,543.14-15,895,682.34

Finding the Fourth Proportional to 29,125,780.96, 40,194,543.14 and 15,895,682.34

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Solution

The fourth proportional to 29,125,780.96, 40,194,543.14 and 15,895,682.34 is: 21,936,568.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,125,780.96 : 40,194,543.14 = 15,895,682.34 : x
  2. Step 2: Convert to fraction form
    29,125,780.96/40,194,543.14 = 15,895,682.34/x
  3. Step 3: Cross multiply
    29,125,780.96x = 40,194,543.14 × 15,895,682.34
  4. Step 4: Simplify right side
    29,125,780.96x = 638,919,689,274,415
  5. Step 5: Solve for x
    x = 638,919,689,274,415/29,125,780.96
  6. Step 6: Final answer
    x = 21,936,568.50

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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.