Home / 26,959,828.20-40,439,742.30-7,791,210.60

Finding the Fourth Proportional to 26,959,828.20, 40,439,742.30 and 7,791,210.60

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Solution

The fourth proportional to 26,959,828.20, 40,439,742.30 and 7,791,210.60 is: 11,686,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,959,828.20 : 40,439,742.30 = 7,791,210.60 : x
  2. Step 2: Convert to fraction form
    26,959,828.20/40,439,742.30 = 7,791,210.60/x
  3. Step 3: Cross multiply
    26,959,828.20x = 40,439,742.30 × 7,791,210.60
  4. Step 4: Simplify right side
    26,959,828.20x = 315,074,548,869,028.31
  5. Step 5: Solve for x
    x = 315,074,548,869,028.31/26,959,828.20
  6. Step 6: Final answer
    x = 11,686,815.90

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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.