Home / 12,872,372.80-19,302,856.80-4,350,395.20

Finding the Fourth Proportional to 12,872,372.80, 19,302,856.80 and 4,350,395.20

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Solution

The fourth proportional to 12,872,372.80, 19,302,856.80 and 4,350,395.20 is: 6,523,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,872,372.80 : 19,302,856.80 = 4,350,395.20 : x
  2. Step 2: Convert to fraction form
    12,872,372.80/19,302,856.80 = 4,350,395.20/x
  3. Step 3: Cross multiply
    12,872,372.80x = 19,302,856.80 × 4,350,395.20
  4. Step 4: Simplify right side
    12,872,372.80x = 83,975,055,569,007.36
  5. Step 5: Solve for x
    x = 83,975,055,569,007.36/12,872,372.80
  6. Step 6: Final answer
    x = 6,523,665.60

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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.