Home / 9,286,268.68-12,815,685.62-5,156,513.16

Finding the Fourth Proportional to 9,286,268.68, 12,815,685.62 and 5,156,513.16

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Solution

The fourth proportional to 9,286,268.68, 12,815,685.62 and 5,156,513.16 is: 7,116,340.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286,268.68 : 12,815,685.62 = 5,156,513.16 : x
  2. Step 2: Convert to fraction form
    9,286,268.68/12,815,685.62 = 5,156,513.16/x
  3. Step 3: Cross multiply
    9,286,268.68x = 12,815,685.62 × 5,156,513.16
  4. Step 4: Simplify right side
    9,286,268.68x = 66,084,251,553,952.76
  5. Step 5: Solve for x
    x = 66,084,251,553,952.76/9,286,268.68
  6. Step 6: Final answer
    x = 7,116,340.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.