Home / 27,789,515.94-38,350,751.45-15,399,580.47

Finding the Fourth Proportional to 27,789,515.94, 38,350,751.45 and 15,399,580.47

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Solution

The fourth proportional to 27,789,515.94, 38,350,751.45 and 15,399,580.47 is: 21,252,096.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,789,515.94 : 38,350,751.45 = 15,399,580.47 : x
  2. Step 2: Convert to fraction form
    27,789,515.94/38,350,751.45 = 15,399,580.47/x
  3. Step 3: Cross multiply
    27,789,515.94x = 38,350,751.45 × 15,399,580.47
  4. Step 4: Simplify right side
    27,789,515.94x = 590,585,482,962,246.25
  5. Step 5: Solve for x
    x = 590,585,482,962,246.25/27,789,515.94
  6. Step 6: Final answer
    x = 21,252,096.81

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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.