Home / 27,883,560.89-38,480,180.18-15,324,387.65

Finding the Fourth Proportional to 27,883,560.89, 38,480,180.18 and 15,324,387.65

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Solution

The fourth proportional to 27,883,560.89, 38,480,180.18 and 15,324,387.65 is: 21,148,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,883,560.89 : 38,480,180.18 = 15,324,387.65 : x
  2. Step 2: Convert to fraction form
    27,883,560.89/38,480,180.18 = 15,324,387.65/x
  3. Step 3: Cross multiply
    27,883,560.89x = 38,480,180.18 × 15,324,387.65
  4. Step 4: Simplify right side
    27,883,560.89x = 589,685,197,920,166.75
  5. Step 5: Solve for x
    x = 589,685,197,920,166.75/27,883,560.89
  6. Step 6: Final answer
    x = 21,148,130.98

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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.