Home / 20,289,395.30-28,036,439.78-14,773,160.75

Finding the Fourth Proportional to 20,289,395.30, 28,036,439.78 and 14,773,160.75

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Solution

The fourth proportional to 20,289,395.30, 28,036,439.78 and 14,773,160.75 is: 20,413,956.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,289,395.30 : 28,036,439.78 = 14,773,160.75 : x
  2. Step 2: Convert to fraction form
    20,289,395.30/28,036,439.78 = 14,773,160.75/x
  3. Step 3: Cross multiply
    20,289,395.30x = 28,036,439.78 × 14,773,160.75
  4. Step 4: Simplify right side
    20,289,395.30x = 414,186,831,513,586.56
  5. Step 5: Solve for x
    x = 414,186,831,513,586.56/20,289,395.30
  6. Step 6: Final answer
    x = 20,413,956.43

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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.