Home / 12,711,458.75-17,525,348.09-8,233,045.90

Finding the Fourth Proportional to 12,711,458.75, 17,525,348.09 and 8,233,045.90

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Solution

The fourth proportional to 12,711,458.75, 17,525,348.09 and 8,233,045.90 is: 11,350,939.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711,458.75 : 17,525,348.09 = 8,233,045.90 : x
  2. Step 2: Convert to fraction form
    12,711,458.75/17,525,348.09 = 8,233,045.90/x
  3. Step 3: Cross multiply
    12,711,458.75x = 17,525,348.09 × 8,233,045.90
  4. Step 4: Simplify right side
    12,711,458.75x = 144,286,995,298,889.25
  5. Step 5: Solve for x
    x = 144,286,995,298,889.25/12,711,458.75
  6. Step 6: Final answer
    x = 11,350,939.19

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1.5x scale

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.