Home / 22,758,439.60-34,137,659.40-21,028,289.20

Finding the Fourth Proportional to 22,758,439.60, 34,137,659.40 and 21,028,289.20

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Solution

The fourth proportional to 22,758,439.60, 34,137,659.40 and 21,028,289.20 is: 31,542,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,758,439.60 : 34,137,659.40 = 21,028,289.20 : x
  2. Step 2: Convert to fraction form
    22,758,439.60/34,137,659.40 = 21,028,289.20/x
  3. Step 3: Cross multiply
    22,758,439.60x = 34,137,659.40 × 21,028,289.20
  4. Step 4: Simplify right side
    22,758,439.60x = 717,856,574,474,298.38
  5. Step 5: Solve for x
    x = 717,856,574,474,298.38/22,758,439.60
  6. Step 6: Final answer
    x = 31,542,433.80

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1.5x scale

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.