Home / 8,729,873.16-13,072,451-7,286,968.92

Finding the Fourth Proportional to 8,729,873.16, 13,072,451 and 7,286,968.92

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Solution

The fourth proportional to 8,729,873.16, 13,072,451 and 7,286,968.92 is: 10,911,790.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729,873.16 : 13,072,451 = 7,286,968.92 : x
  2. Step 2: Convert to fraction form
    8,729,873.16/13,072,451 = 7,286,968.92/x
  3. Step 3: Cross multiply
    8,729,873.16x = 13,072,451 × 7,286,968.92
  4. Step 4: Simplify right side
    8,729,873.16x = 95,258,544,145,222.92
  5. Step 5: Solve for x
    x = 95,258,544,145,222.92/8,729,873.16
  6. Step 6: Final answer
    x = 10,911,790.17

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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.