Home / 13,902,868.80-20,854,303.20-13,335,998.40

Finding the Fourth Proportional to 13,902,868.80, 20,854,303.20 and 13,335,998.40

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Solution

The fourth proportional to 13,902,868.80, 20,854,303.20 and 13,335,998.40 is: 20,003,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,868.80 : 20,854,303.20 = 13,335,998.40 : x
  2. Step 2: Convert to fraction form
    13,902,868.80/20,854,303.20 = 13,335,998.40/x
  3. Step 3: Cross multiply
    13,902,868.80x = 20,854,303.20 × 13,335,998.40
  4. Step 4: Simplify right side
    13,902,868.80x = 278,112,954,108,314.88
  5. Step 5: Solve for x
    x = 278,112,954,108,314.88/13,902,868.80
  6. Step 6: Final answer
    x = 20,003,997.60

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1.5x scale

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.