Home / 9,894,101.28-13,655,301.21-5,543,481.66

Finding the Fourth Proportional to 9,894,101.28, 13,655,301.21 and 5,543,481.66

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Solution

The fourth proportional to 9,894,101.28, 13,655,301.21 and 5,543,481.66 is: 7,650,812.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,894,101.28 : 13,655,301.21 = 5,543,481.66 : x
  2. Step 2: Convert to fraction form
    9,894,101.28/13,655,301.21 = 5,543,481.66/x
  3. Step 3: Cross multiply
    9,894,101.28x = 13,655,301.21 × 5,543,481.66
  4. Step 4: Simplify right side
    9,894,101.28x = 75,697,911,819,410.81
  5. Step 5: Solve for x
    x = 75,697,911,819,410.81/9,894,101.28
  6. Step 6: Final answer
    x = 7,650,812.30

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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.