Home / 7,309,422.81-10,974,912.47-4,077,275.76

Finding the Fourth Proportional to 7,309,422.81, 10,974,912.47 and 4,077,275.76

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Solution

The fourth proportional to 7,309,422.81, 10,974,912.47 and 4,077,275.76 is: 6,121,925.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309,422.81 : 10,974,912.47 = 4,077,275.76 : x
  2. Step 2: Convert to fraction form
    7,309,422.81/10,974,912.47 = 4,077,275.76/x
  3. Step 3: Cross multiply
    7,309,422.81x = 10,974,912.47 × 4,077,275.76
  4. Step 4: Simplify right side
    7,309,422.81x = 44,747,744,582,052.73
  5. Step 5: Solve for x
    x = 44,747,744,582,052.73/7,309,422.81
  6. Step 6: Final answer
    x = 6,121,925.87

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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.