Home / 26,579,937.20-39,869,905.80-21,856,017.20

Finding the Fourth Proportional to 26,579,937.20, 39,869,905.80 and 21,856,017.20

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Solution

The fourth proportional to 26,579,937.20, 39,869,905.80 and 21,856,017.20 is: 32,784,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,579,937.20 : 39,869,905.80 = 21,856,017.20 : x
  2. Step 2: Convert to fraction form
    26,579,937.20/39,869,905.80 = 21,856,017.20/x
  3. Step 3: Cross multiply
    26,579,937.20x = 39,869,905.80 × 21,856,017.20
  4. Step 4: Simplify right side
    26,579,937.20x = 871,397,346,927,179.62
  5. Step 5: Solve for x
    x = 871,397,346,927,179.62/26,579,937.20
  6. Step 6: Final answer
    x = 32,784,025.80

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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.