Home / 7,898,660.80-11,847,991.20-7,282,801.60

Finding the Fourth Proportional to 7,898,660.80, 11,847,991.20 and 7,282,801.60

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Solution

The fourth proportional to 7,898,660.80, 11,847,991.20 and 7,282,801.60 is: 10,924,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898,660.80 : 11,847,991.20 = 7,282,801.60 : x
  2. Step 2: Convert to fraction form
    7,898,660.80/11,847,991.20 = 7,282,801.60/x
  3. Step 3: Cross multiply
    7,898,660.80x = 11,847,991.20 × 7,282,801.60
  4. Step 4: Simplify right side
    7,898,660.80x = 86,286,569,268,145.91
  5. Step 5: Solve for x
    x = 86,286,569,268,145.91/7,898,660.80
  6. Step 6: Final answer
    x = 10,924,202.40

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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.