Home / 8,729,884.64-13,072,468.23-7,286,980.46

Finding the Fourth Proportional to 8,729,884.64, 13,072,468.23 and 7,286,980.46

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Solution

The fourth proportional to 8,729,884.64, 13,072,468.23 and 7,286,980.46 is: 10,911,807.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729,884.64 : 13,072,468.23 = 7,286,980.46 : x
  2. Step 2: Convert to fraction form
    8,729,884.64/13,072,468.23 = 7,286,980.46/x
  3. Step 3: Cross multiply
    8,729,884.64x = 13,072,468.23 × 7,286,980.46
  4. Step 4: Simplify right side
    8,729,884.64x = 95,258,820,555,980.78
  5. Step 5: Solve for x
    x = 95,258,820,555,980.78/8,729,884.64
  6. Step 6: Final answer
    x = 10,911,807.48

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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.