Home / 27,578,314.10-38,057,609.14-15,189,561.20

Finding the Fourth Proportional to 27,578,314.10, 38,057,609.14 and 15,189,561.20

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Solution

The fourth proportional to 27,578,314.10, 38,057,609.14 and 15,189,561.20 is: 20,961,338.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578,314.10 : 38,057,609.14 = 15,189,561.20 : x
  2. Step 2: Convert to fraction form
    27,578,314.10/38,057,609.14 = 15,189,561.20/x
  3. Step 3: Cross multiply
    27,578,314.10x = 38,057,609.14 × 15,189,561.20
  4. Step 4: Simplify right side
    27,578,314.10x = 578,078,382,929,447.50
  5. Step 5: Solve for x
    x = 578,078,382,929,447.50/27,578,314.10
  6. Step 6: Final answer
    x = 20,961,338.71

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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.