Home / 12,304,438.40-18,456,657.60-5,913,149.60

Finding the Fourth Proportional to 12,304,438.40, 18,456,657.60 and 5,913,149.60

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Solution

The fourth proportional to 12,304,438.40, 18,456,657.60 and 5,913,149.60 is: 8,869,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304,438.40 : 18,456,657.60 = 5,913,149.60 : x
  2. Step 2: Convert to fraction form
    12,304,438.40/18,456,657.60 = 5,913,149.60/x
  3. Step 3: Cross multiply
    12,304,438.40x = 18,456,657.60 × 5,913,149.60
  4. Step 4: Simplify right side
    12,304,438.40x = 109,136,977,504,776.97
  5. Step 5: Solve for x
    x = 109,136,977,504,776.97/12,304,438.40
  6. Step 6: Final answer
    x = 8,869,724.40

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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.