Home / 10,190,145.34-14,062,512.17-5,543,956.78

Finding the Fourth Proportional to 10,190,145.34, 14,062,512.17 and 5,543,956.78

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Solution

The fourth proportional to 10,190,145.34, 14,062,512.17 and 5,543,956.78 is: 7,650,721.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190,145.34 : 14,062,512.17 = 5,543,956.78 : x
  2. Step 2: Convert to fraction form
    10,190,145.34/14,062,512.17 = 5,543,956.78/x
  3. Step 3: Cross multiply
    10,190,145.34x = 14,062,512.17 × 5,543,956.78
  4. Step 4: Simplify right side
    10,190,145.34x = 77,961,959,688,704.02
  5. Step 5: Solve for x
    x = 77,961,959,688,704.02/10,190,145.34
  6. Step 6: Final answer
    x = 7,650,721.07

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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.