Home / 7,516,972.90-10,373,422.66-4,079,213.92

Finding the Fourth Proportional to 7,516,972.90, 10,373,422.66 and 4,079,213.92

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Solution

The fourth proportional to 7,516,972.90, 10,373,422.66 and 4,079,213.92 is: 5,629,315.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516,972.90 : 10,373,422.66 = 4,079,213.92 : x
  2. Step 2: Convert to fraction form
    7,516,972.90/10,373,422.66 = 4,079,213.92/x
  3. Step 3: Cross multiply
    7,516,972.90x = 10,373,422.66 × 4,079,213.92
  4. Step 4: Simplify right side
    7,516,972.90x = 42,315,410,112,715.43
  5. Step 5: Solve for x
    x = 42,315,410,112,715.43/7,516,972.90
  6. Step 6: Final answer
    x = 5,629,315.24

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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.