Home / 27,720,382.45-41,580,573.68-7,528,126.45

Finding the Fourth Proportional to 27,720,382.45, 41,580,573.68 and 7,528,126.45

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Solution

The fourth proportional to 27,720,382.45, 41,580,573.68 and 7,528,126.45 is: 11,292,189.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720,382.45 : 41,580,573.68 = 7,528,126.45 : x
  2. Step 2: Convert to fraction form
    27,720,382.45/41,580,573.68 = 7,528,126.45/x
  3. Step 3: Cross multiply
    27,720,382.45x = 41,580,573.68 × 7,528,126.45
  4. Step 4: Simplify right side
    27,720,382.45x = 313,023,816,526,581.81
  5. Step 5: Solve for x
    x = 313,023,816,526,581.81/27,720,382.45
  6. Step 6: Final answer
    x = 11,292,189.68

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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.