Home / 8,702,221.68-12,008,361.96-5,031,373.80

Finding the Fourth Proportional to 8,702,221.68, 12,008,361.96 and 5,031,373.80

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Solution

The fourth proportional to 8,702,221.68, 12,008,361.96 and 5,031,373.80 is: 6,942,888.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702,221.68 : 12,008,361.96 = 5,031,373.80 : x
  2. Step 2: Convert to fraction form
    8,702,221.68/12,008,361.96 = 5,031,373.80/x
  3. Step 3: Cross multiply
    8,702,221.68x = 12,008,361.96 × 5,031,373.80
  4. Step 4: Simplify right side
    8,702,221.68x = 60,418,557,746,460.65
  5. Step 5: Solve for x
    x = 60,418,557,746,460.65/8,702,221.68
  6. Step 6: Final answer
    x = 6,942,888.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.