Home / 13,902,407.80-20,853,611.70-13,335,537.40

Finding the Fourth Proportional to 13,902,407.80, 20,853,611.70 and 13,335,537.40

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Solution

The fourth proportional to 13,902,407.80, 20,853,611.70 and 13,335,537.40 is: 20,003,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,407.80 : 20,853,611.70 = 13,335,537.40 : x
  2. Step 2: Convert to fraction form
    13,902,407.80/20,853,611.70 = 13,335,537.40/x
  3. Step 3: Cross multiply
    13,902,407.80x = 20,853,611.70 × 13,335,537.40
  4. Step 4: Simplify right side
    13,902,407.80x = 278,094,118,750,427.56
  5. Step 5: Solve for x
    x = 278,094,118,750,427.56/13,902,407.80
  6. Step 6: Final answer
    x = 20,003,306.10

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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.