Home / 7,988,704.80-11,983,057.20-6,713,246.40

Finding the Fourth Proportional to 7,988,704.80, 11,983,057.20 and 6,713,246.40

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Solution

The fourth proportional to 7,988,704.80, 11,983,057.20 and 6,713,246.40 is: 10,069,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988,704.80 : 11,983,057.20 = 6,713,246.40 : x
  2. Step 2: Convert to fraction form
    7,988,704.80/11,983,057.20 = 6,713,246.40/x
  3. Step 3: Cross multiply
    7,988,704.80x = 11,983,057.20 × 6,713,246.40
  4. Step 4: Simplify right side
    7,988,704.80x = 80,445,215,608,894.08
  5. Step 5: Solve for x
    x = 80,445,215,608,894.08/7,988,704.80
  6. Step 6: Final answer
    x = 10,069,869.60

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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.