Home / 13,443,348.30-20,165,022.45-11,763,732.30

Finding the Fourth Proportional to 13,443,348.30, 20,165,022.45 and 11,763,732.30

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Solution

The fourth proportional to 13,443,348.30, 20,165,022.45 and 11,763,732.30 is: 17,645,598.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443,348.30 : 20,165,022.45 = 11,763,732.30 : x
  2. Step 2: Convert to fraction form
    13,443,348.30/20,165,022.45 = 11,763,732.30/x
  3. Step 3: Cross multiply
    13,443,348.30x = 20,165,022.45 × 11,763,732.30
  4. Step 4: Simplify right side
    13,443,348.30x = 237,215,925,925,290.16
  5. Step 5: Solve for x
    x = 237,215,925,925,290.16/13,443,348.30
  6. Step 6: Final answer
    x = 17,645,598.45

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1.5x scale

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.