Home / 13,882,986-19,157,470.92-7,688,002.32

Finding the Fourth Proportional to 13,882,986, 19,157,470.92 and 7,688,002.32

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Solution

The fourth proportional to 13,882,986, 19,157,470.92 and 7,688,002.32 is: 10,608,861.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882,986 : 19,157,470.92 = 7,688,002.32 : x
  2. Step 2: Convert to fraction form
    13,882,986/19,157,470.92 = 7,688,002.32/x
  3. Step 3: Cross multiply
    13,882,986x = 19,157,470.92 × 7,688,002.32
  4. Step 4: Simplify right side
    13,882,986x = 147,282,680,878,292.56
  5. Step 5: Solve for x
    x = 147,282,680,878,292.56/13,882,986
  6. Step 6: Final answer
    x = 10,608,861.87

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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.