Home / 19,688,882.71-27,170,659.16-10,868,336.32

Finding the Fourth Proportional to 19,688,882.71, 27,170,659.16 and 10,868,336.32

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Solution

The fourth proportional to 19,688,882.71, 27,170,659.16 and 10,868,336.32 is: 14,998,304.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688,882.71 : 27,170,659.16 = 10,868,336.32 : x
  2. Step 2: Convert to fraction form
    19,688,882.71/27,170,659.16 = 10,868,336.32/x
  3. Step 3: Cross multiply
    19,688,882.71x = 27,170,659.16 × 10,868,336.32
  4. Step 4: Simplify right side
    19,688,882.71x = 295,299,861,786,968.69
  5. Step 5: Solve for x
    x = 295,299,861,786,968.69/19,688,882.71
  6. Step 6: Final answer
    x = 14,998,304.68

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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.