Home / 27,708,480.75-38,236,060.02-15,317,835.24

Finding the Fourth Proportional to 27,708,480.75, 38,236,060.02 and 15,317,835.24

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Solution

The fourth proportional to 27,708,480.75, 38,236,060.02 and 15,317,835.24 is: 21,137,704.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,708,480.75 : 38,236,060.02 = 15,317,835.24 : x
  2. Step 2: Convert to fraction form
    27,708,480.75/38,236,060.02 = 15,317,835.24/x
  3. Step 3: Cross multiply
    27,708,480.75x = 38,236,060.02 × 15,317,835.24
  4. Step 4: Simplify right side
    27,708,480.75x = 585,693,667,613,111.12
  5. Step 5: Solve for x
    x = 585,693,667,613,111.12/27,708,480.75
  6. Step 6: Final answer
    x = 21,137,704.12

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Double scale
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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.