Home / 20,142,275.68-27,796,344.42-10,974,918.52

Finding the Fourth Proportional to 20,142,275.68, 27,796,344.42 and 10,974,918.52

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Solution

The fourth proportional to 20,142,275.68, 27,796,344.42 and 10,974,918.52 is: 15,145,389.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,142,275.68 : 27,796,344.42 = 10,974,918.52 : x
  2. Step 2: Convert to fraction form
    20,142,275.68/27,796,344.42 = 10,974,918.52/x
  3. Step 3: Cross multiply
    20,142,275.68x = 27,796,344.42 × 10,974,918.52
  4. Step 4: Simplify right side
    20,142,275.68x = 305,062,615,163,356.69
  5. Step 5: Solve for x
    x = 305,062,615,163,356.69/20,142,275.68
  6. Step 6: Final answer
    x = 15,145,389.73

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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.