Home / 12,296,701.80-18,445,052.70-12,128,740.20

Finding the Fourth Proportional to 12,296,701.80, 18,445,052.70 and 12,128,740.20

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Solution

The fourth proportional to 12,296,701.80, 18,445,052.70 and 12,128,740.20 is: 18,193,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,701.80 : 18,445,052.70 = 12,128,740.20 : x
  2. Step 2: Convert to fraction form
    12,296,701.80/18,445,052.70 = 12,128,740.20/x
  3. Step 3: Cross multiply
    12,296,701.80x = 18,445,052.70 × 12,128,740.20
  4. Step 4: Simplify right side
    12,296,701.80x = 223,715,252,173,608.53
  5. Step 5: Solve for x
    x = 223,715,252,173,608.53/12,296,701.80
  6. Step 6: Final answer
    x = 18,193,110.30

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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.