Home / 20,894,065.53-28,833,810.39-11,726,708.28

Finding the Fourth Proportional to 20,894,065.53, 28,833,810.39 and 11,726,708.28

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Solution

The fourth proportional to 20,894,065.53, 28,833,810.39 and 11,726,708.28 is: 16,182,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894,065.53 : 28,833,810.39 = 11,726,708.28 : x
  2. Step 2: Convert to fraction form
    20,894,065.53/28,833,810.39 = 11,726,708.28/x
  3. Step 3: Cross multiply
    20,894,065.53x = 28,833,810.39 × 11,726,708.28
  4. Step 4: Simplify right side
    20,894,065.53x = 338,125,683,044,363
  5. Step 5: Solve for x
    x = 338,125,683,044,363/20,894,065.53
  6. Step 6: Final answer
    x = 16,182,857.40

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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.