Home / 10,638,423.70-15,959,877.45-3,449,397.10

Finding the Fourth Proportional to 10,638,423.70, 15,959,877.45 and 3,449,397.10

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Solution

The fourth proportional to 10,638,423.70, 15,959,877.45 and 3,449,397.10 is: 5,174,822.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638,423.70 : 15,959,877.45 = 3,449,397.10 : x
  2. Step 2: Convert to fraction form
    10,638,423.70/15,959,877.45 = 3,449,397.10/x
  3. Step 3: Cross multiply
    10,638,423.70x = 15,959,877.45 × 3,449,397.10
  4. Step 4: Simplify right side
    10,638,423.70x = 55,051,954,992,385.39
  5. Step 5: Solve for x
    x = 55,051,954,992,385.39/10,638,423.70
  6. Step 6: Final answer
    x = 5,174,822.56

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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.