Home / 15,087,837.24-20,825,219.88-9,291,478.68

Finding the Fourth Proportional to 15,087,837.24, 20,825,219.88 and 9,291,478.68

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Solution

The fourth proportional to 15,087,837.24, 20,825,219.88 and 9,291,478.68 is: 12,824,706.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,087,837.24 : 20,825,219.88 = 9,291,478.68 : x
  2. Step 2: Convert to fraction form
    15,087,837.24/20,825,219.88 = 9,291,478.68/x
  3. Step 3: Cross multiply
    15,087,837.24x = 20,825,219.88 × 9,291,478.68
  4. Step 4: Simplify right side
    15,087,837.24x = 193,497,086,521,332.16
  5. Step 5: Solve for x
    x = 193,497,086,521,332.16/15,087,837.24
  6. Step 6: Final answer
    x = 12,824,706.65

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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.