Home / 12,986,251.04-17,916,674.54-7,479,515.64

Finding the Fourth Proportional to 12,986,251.04, 17,916,674.54 and 7,479,515.64

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Solution

The fourth proportional to 12,986,251.04, 17,916,674.54 and 7,479,515.64 is: 10,319,225.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,986,251.04 : 17,916,674.54 = 7,479,515.64 : x
  2. Step 2: Convert to fraction form
    12,986,251.04/17,916,674.54 = 7,479,515.64/x
  3. Step 3: Cross multiply
    12,986,251.04x = 17,916,674.54 × 7,479,515.64
  4. Step 4: Simplify right side
    12,986,251.04x = 134,008,047,438,719.80
  5. Step 5: Solve for x
    x = 134,008,047,438,719.80/12,986,251.04
  6. Step 6: Final answer
    x = 10,319,225.08

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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.