Home / 8,380,052.80-12,570,079.20-7,476,603.10

Finding the Fourth Proportional to 8,380,052.80, 12,570,079.20 and 7,476,603.10

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Solution

The fourth proportional to 8,380,052.80, 12,570,079.20 and 7,476,603.10 is: 11,214,904.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380,052.80 : 12,570,079.20 = 7,476,603.10 : x
  2. Step 2: Convert to fraction form
    8,380,052.80/12,570,079.20 = 7,476,603.10/x
  3. Step 3: Cross multiply
    8,380,052.80x = 12,570,079.20 × 7,476,603.10
  4. Step 4: Simplify right side
    8,380,052.80x = 93,981,493,113,965.52
  5. Step 5: Solve for x
    x = 93,981,493,113,965.52/8,380,052.80
  6. Step 6: Final answer
    x = 11,214,904.65

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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.