Home / 8,065,052.80-12,062,587.20-7,218,246.40

Finding the Fourth Proportional to 8,065,052.80, 12,062,587.20 and 7,218,246.40

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Solution

The fourth proportional to 8,065,052.80, 12,062,587.20 and 7,218,246.40 is: 10,796,051.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,052.80 : 12,062,587.20 = 7,218,246.40 : x
  2. Step 2: Convert to fraction form
    8,065,052.80/12,062,587.20 = 7,218,246.40/x
  3. Step 3: Cross multiply
    8,065,052.80x = 12,062,587.20 × 7,218,246.40
  4. Step 4: Simplify right side
    8,065,052.80x = 87,070,726,631,086.08
  5. Step 5: Solve for x
    x = 87,070,726,631,086.08/8,065,052.80
  6. Step 6: Final answer
    x = 10,796,051.66

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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.