Home / 7,873,341.20-11,810,011.80-5,969,776.40

Finding the Fourth Proportional to 7,873,341.20, 11,810,011.80 and 5,969,776.40

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Solution

The fourth proportional to 7,873,341.20, 11,810,011.80 and 5,969,776.40 is: 8,954,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873,341.20 : 11,810,011.80 = 5,969,776.40 : x
  2. Step 2: Convert to fraction form
    7,873,341.20/11,810,011.80 = 5,969,776.40/x
  3. Step 3: Cross multiply
    7,873,341.20x = 11,810,011.80 × 5,969,776.40
  4. Step 4: Simplify right side
    7,873,341.20x = 70,503,129,727,361.53
  5. Step 5: Solve for x
    x = 70,503,129,727,361.53/7,873,341.20
  6. Step 6: Final answer
    x = 8,954,664.60

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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.