Home / 20,856,277.32-31,244,063.04-11,730,648.06

Finding the Fourth Proportional to 20,856,277.32, 31,244,063.04 and 11,730,648.06

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Solution

The fourth proportional to 20,856,277.32, 31,244,063.04 and 11,730,648.06 is: 17,573,275.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,856,277.32 : 31,244,063.04 = 11,730,648.06 : x
  2. Step 2: Convert to fraction form
    20,856,277.32/31,244,063.04 = 11,730,648.06/x
  3. Step 3: Cross multiply
    20,856,277.32x = 31,244,063.04 × 11,730,648.06
  4. Step 4: Simplify right side
    20,856,277.32x = 366,513,107,486,693.69
  5. Step 5: Solve for x
    x = 366,513,107,486,693.69/20,856,277.32
  6. Step 6: Final answer
    x = 17,573,275.51

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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.