Home / 8,973,868.80-13,460,803.20-7,981,845.60

Finding the Fourth Proportional to 8,973,868.80, 13,460,803.20 and 7,981,845.60

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Solution

The fourth proportional to 8,973,868.80, 13,460,803.20 and 7,981,845.60 is: 11,972,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973,868.80 : 13,460,803.20 = 7,981,845.60 : x
  2. Step 2: Convert to fraction form
    8,973,868.80/13,460,803.20 = 7,981,845.60/x
  3. Step 3: Cross multiply
    8,973,868.80x = 13,460,803.20 × 7,981,845.60
  4. Step 4: Simplify right side
    8,973,868.80x = 107,442,052,794,385.91
  5. Step 5: Solve for x
    x = 107,442,052,794,385.91/8,973,868.80
  6. Step 6: Final answer
    x = 11,972,768.40

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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.