Home / 28,084,838.40-38,755,065.60-16,482,873.60

Finding the Fourth Proportional to 28,084,838.40, 38,755,065.60 and 16,482,873.60

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Solution

The fourth proportional to 28,084,838.40, 38,755,065.60 and 16,482,873.60 is: 22,745,185.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,838.40 : 38,755,065.60 = 16,482,873.60 : x
  2. Step 2: Convert to fraction form
    28,084,838.40/38,755,065.60 = 16,482,873.60/x
  3. Step 3: Cross multiply
    28,084,838.40x = 38,755,065.60 × 16,482,873.60
  4. Step 4: Simplify right side
    28,084,838.40x = 638,794,847,644,508.12
  5. Step 5: Solve for x
    x = 638,794,847,644,508.12/28,084,838.40
  6. Step 6: Final answer
    x = 22,745,185.09

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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.