Home / 13,443,338.30-20,165,007.45-11,763,722.30

Finding the Fourth Proportional to 13,443,338.30, 20,165,007.45 and 11,763,722.30

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Solution

The fourth proportional to 13,443,338.30, 20,165,007.45 and 11,763,722.30 is: 17,645,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443,338.30 : 20,165,007.45 = 11,763,722.30 : x
  2. Step 2: Convert to fraction form
    13,443,338.30/20,165,007.45 = 11,763,722.30/x
  3. Step 3: Cross multiply
    13,443,338.30x = 20,165,007.45 × 11,763,722.30
  4. Step 4: Simplify right side
    13,443,338.30x = 237,215,547,819,231.16
  5. Step 5: Solve for x
    x = 237,215,547,819,231.16/13,443,338.30
  6. Step 6: Final answer
    x = 17,645,583.45

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Double scale
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Similar ratio
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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.