Home / 12,454,568.64-18,682,641.36-5,264,762.40

Finding the Fourth Proportional to 12,454,568.64, 18,682,641.36 and 5,264,762.40

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Solution

The fourth proportional to 12,454,568.64, 18,682,641.36 and 5,264,762.40 is: 7,897,476.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454,568.64 : 18,682,641.36 = 5,264,762.40 : x
  2. Step 2: Convert to fraction form
    12,454,568.64/18,682,641.36 = 5,264,762.40/x
  3. Step 3: Cross multiply
    12,454,568.64x = 18,682,641.36 × 5,264,762.40
  4. Step 4: Simplify right side
    12,454,568.64x = 98,359,667,764,812.88
  5. Step 5: Solve for x
    x = 98,359,667,764,812.88/12,454,568.64
  6. Step 6: Final answer
    x = 7,897,476.87

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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.