Home / 12,872,381.80-19,302,870.30-4,350,404.20

Finding the Fourth Proportional to 12,872,381.80, 19,302,870.30 and 4,350,404.20

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Solution

The fourth proportional to 12,872,381.80, 19,302,870.30 and 4,350,404.20 is: 6,523,679.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,872,381.80 : 19,302,870.30 = 4,350,404.20 : x
  2. Step 2: Convert to fraction form
    12,872,381.80/19,302,870.30 = 4,350,404.20/x
  3. Step 3: Cross multiply
    12,872,381.80x = 19,302,870.30 × 4,350,404.20
  4. Step 4: Simplify right side
    12,872,381.80x = 83,975,288,025,175.27
  5. Step 5: Solve for x
    x = 83,975,288,025,175.27/12,872,381.80
  6. Step 6: Final answer
    x = 6,523,679.09

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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.