Home / 12,718,448.88-17,556,025.20-7,561,798.16

Finding the Fourth Proportional to 12,718,448.88, 17,556,025.20 and 7,561,798.16

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Solution

The fourth proportional to 12,718,448.88, 17,556,025.20 and 7,561,798.16 is: 10,437,996.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718,448.88 : 17,556,025.20 = 7,561,798.16 : x
  2. Step 2: Convert to fraction form
    12,718,448.88/17,556,025.20 = 7,561,798.16/x
  3. Step 3: Cross multiply
    12,718,448.88x = 17,556,025.20 × 7,561,798.16
  4. Step 4: Simplify right side
    12,718,448.88x = 132,755,119,054,273.62
  5. Step 5: Solve for x
    x = 132,755,119,054,273.62/12,718,448.88
  6. Step 6: Final answer
    x = 10,437,996.04

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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.