Home / 13,354,003.80-20,031,005.70-12,831,456.60

Finding the Fourth Proportional to 13,354,003.80, 20,031,005.70 and 12,831,456.60

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Solution

The fourth proportional to 13,354,003.80, 20,031,005.70 and 12,831,456.60 is: 19,247,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354,003.80 : 20,031,005.70 = 12,831,456.60 : x
  2. Step 2: Convert to fraction form
    13,354,003.80/20,031,005.70 = 12,831,456.60/x
  3. Step 3: Cross multiply
    13,354,003.80x = 20,031,005.70 × 12,831,456.60
  4. Step 4: Simplify right side
    13,354,003.80x = 257,026,980,293,902.59
  5. Step 5: Solve for x
    x = 257,026,980,293,902.59/13,354,003.80
  6. Step 6: Final answer
    x = 19,247,184.90

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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.