Home / 13,608,006.40-20,413,759.20-6,788,065.60

Finding the Fourth Proportional to 13,608,006.40, 20,413,759.20 and 6,788,065.60

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Solution

The fourth proportional to 13,608,006.40, 20,413,759.20 and 6,788,065.60 is: 10,182,971.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,006.40 : 20,413,759.20 = 6,788,065.60 : x
  2. Step 2: Convert to fraction form
    13,608,006.40/20,413,759.20 = 6,788,065.60/x
  3. Step 3: Cross multiply
    13,608,006.40x = 20,413,759.20 × 6,788,065.60
  4. Step 4: Simplify right side
    13,608,006.40x = 138,569,936,592,203.50
  5. Step 5: Solve for x
    x = 138,569,936,592,203.50/13,608,006.40
  6. Step 6: Final answer
    x = 10,182,971.15

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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.