Home / 13,223,748.46-19,827,915.69-5,127,265.42

Finding the Fourth Proportional to 13,223,748.46, 19,827,915.69 and 5,127,265.42

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Solution

The fourth proportional to 13,223,748.46, 19,827,915.69 and 5,127,265.42 is: 7,687,909.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223,748.46 : 19,827,915.69 = 5,127,265.42 : x
  2. Step 2: Convert to fraction form
    13,223,748.46/19,827,915.69 = 5,127,265.42/x
  3. Step 3: Cross multiply
    13,223,748.46x = 19,827,915.69 × 5,127,265.42
  4. Step 4: Simplify right side
    13,223,748.46x = 101,662,986,468,012.44
  5. Step 5: Solve for x
    x = 101,662,986,468,012.44/13,223,748.46
  6. Step 6: Final answer
    x = 7,687,909.88

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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.