Home / 10,390,132.71-15,587,738.71-7,322,108.65

Finding the Fourth Proportional to 10,390,132.71, 15,587,738.71 and 7,322,108.65

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Solution

The fourth proportional to 10,390,132.71, 15,587,738.71 and 7,322,108.65 is: 10,984,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390,132.71 : 15,587,738.71 = 7,322,108.65 : x
  2. Step 2: Convert to fraction form
    10,390,132.71/15,587,738.71 = 7,322,108.65/x
  3. Step 3: Cross multiply
    10,390,132.71x = 15,587,738.71 × 7,322,108.65
  4. Step 4: Simplify right side
    10,390,132.71x = 114,135,116,385,156.22
  5. Step 5: Solve for x
    x = 114,135,116,385,156.22/10,390,132.71
  6. Step 6: Final answer
    x = 10,984,952.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.