Home / 25,290,806.28-34,902,157.80-15,499,358.49

Finding the Fourth Proportional to 25,290,806.28, 34,902,157.80 and 15,499,358.49

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Solution

The fourth proportional to 25,290,806.28, 34,902,157.80 and 15,499,358.49 is: 21,389,632.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,290,806.28 : 34,902,157.80 = 15,499,358.49 : x
  2. Step 2: Convert to fraction form
    25,290,806.28/34,902,157.80 = 15,499,358.49/x
  3. Step 3: Cross multiply
    25,290,806.28x = 34,902,157.80 × 15,499,358.49
  4. Step 4: Simplify right side
    25,290,806.28x = 540,961,055,816,749.69
  5. Step 5: Solve for x
    x = 540,961,055,816,749.69/25,290,806.28
  6. Step 6: Final answer
    x = 21,389,632.65

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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.