Home / 12,923,022.80-19,384,534.20-10,531,538.30

Finding the Fourth Proportional to 12,923,022.80, 19,384,534.20 and 10,531,538.30

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Solution

The fourth proportional to 12,923,022.80, 19,384,534.20 and 10,531,538.30 is: 15,797,307.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,022.80 : 19,384,534.20 = 10,531,538.30 : x
  2. Step 2: Convert to fraction form
    12,923,022.80/19,384,534.20 = 10,531,538.30/x
  3. Step 3: Cross multiply
    12,923,022.80x = 19,384,534.20 × 10,531,538.30
  4. Step 4: Simplify right side
    12,923,022.80x = 204,148,964,354,959.88
  5. Step 5: Solve for x
    x = 204,148,964,354,959.88/12,923,022.80
  6. Step 6: Final answer
    x = 15,797,307.45

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Double scale
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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.