Home / 8,729,884.19-13,072,467.51-7,286,979.93

Finding the Fourth Proportional to 8,729,884.19, 13,072,467.51 and 7,286,979.93

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Solution

The fourth proportional to 8,729,884.19, 13,072,467.51 and 7,286,979.93 is: 10,911,806.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729,884.19 : 13,072,467.51 = 7,286,979.93 : x
  2. Step 2: Convert to fraction form
    8,729,884.19/13,072,467.51 = 7,286,979.93/x
  3. Step 3: Cross multiply
    8,729,884.19x = 13,072,467.51 × 7,286,979.93
  4. Step 4: Simplify right side
    8,729,884.19x = 95,258,808,380,947.06
  5. Step 5: Solve for x
    x = 95,258,808,380,947.06/8,729,884.19
  6. Step 6: Final answer
    x = 10,911,806.66

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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.