Home / 13,902,713.40-20,854,070.10-8,229,343.80

Finding the Fourth Proportional to 13,902,713.40, 20,854,070.10 and 8,229,343.80

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Solution

The fourth proportional to 13,902,713.40, 20,854,070.10 and 8,229,343.80 is: 12,344,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,713.40 : 20,854,070.10 = 8,229,343.80 : x
  2. Step 2: Convert to fraction form
    13,902,713.40/20,854,070.10 = 8,229,343.80/x
  3. Step 3: Cross multiply
    13,902,713.40x = 20,854,070.10 × 8,229,343.80
  4. Step 4: Simplify right side
    13,902,713.40x = 171,615,312,482,200.38
  5. Step 5: Solve for x
    x = 171,615,312,482,200.38/13,902,713.40
  6. Step 6: Final answer
    x = 12,344,015.70

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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.