Home / 10,487,005.60-15,703,936.35-8,361,241.60

Finding the Fourth Proportional to 10,487,005.60, 15,703,936.35 and 8,361,241.60

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Solution

The fourth proportional to 10,487,005.60, 15,703,936.35 and 8,361,241.60 is: 12,520,676.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487,005.60 : 15,703,936.35 = 8,361,241.60 : x
  2. Step 2: Convert to fraction form
    10,487,005.60/15,703,936.35 = 8,361,241.60/x
  3. Step 3: Cross multiply
    10,487,005.60x = 15,703,936.35 × 8,361,241.60
  4. Step 4: Simplify right side
    10,487,005.60x = 131,304,405,893,372.16
  5. Step 5: Solve for x
    x = 131,304,405,893,372.16/10,487,005.60
  6. Step 6: Final answer
    x = 12,520,676.63

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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.