Home / 27,883,559.39-38,480,178.11-15,324,386.15

Finding the Fourth Proportional to 27,883,559.39, 38,480,178.11 and 15,324,386.15

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Solution

The fourth proportional to 27,883,559.39, 38,480,178.11 and 15,324,386.15 is: 21,148,128.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,883,559.39 : 38,480,178.11 = 15,324,386.15 : x
  2. Step 2: Convert to fraction form
    27,883,559.39/38,480,178.11 = 15,324,386.15/x
  3. Step 3: Cross multiply
    27,883,559.39x = 38,480,178.11 × 15,324,386.15
  4. Step 4: Simplify right side
    27,883,559.39x = 589,685,108,551,891.50
  5. Step 5: Solve for x
    x = 589,685,108,551,891.50/27,883,559.39
  6. Step 6: Final answer
    x = 21,148,128.92

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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.