Home / 28,979,374.40-43,469,061.60-26,789,652.80

Finding the Fourth Proportional to 28,979,374.40, 43,469,061.60 and 26,789,652.80

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Solution

The fourth proportional to 28,979,374.40, 43,469,061.60 and 26,789,652.80 is: 40,184,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979,374.40 : 43,469,061.60 = 26,789,652.80 : x
  2. Step 2: Convert to fraction form
    28,979,374.40/43,469,061.60 = 26,789,652.80/x
  3. Step 3: Cross multiply
    28,979,374.40x = 43,469,061.60 × 26,789,652.80
  4. Step 4: Simplify right side
    28,979,374.40x = 1,164,521,067,805,812.50
  5. Step 5: Solve for x
    x = 1,164,521,067,805,812.50/28,979,374.40
  6. Step 6: Final answer
    x = 40,184,479.20

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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.