Home / 13,104,067.80-19,656,101.70-12,852,125.40

Finding the Fourth Proportional to 13,104,067.80, 19,656,101.70 and 12,852,125.40

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Solution

The fourth proportional to 13,104,067.80, 19,656,101.70 and 12,852,125.40 is: 19,278,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104,067.80 : 19,656,101.70 = 12,852,125.40 : x
  2. Step 2: Convert to fraction form
    13,104,067.80/19,656,101.70 = 12,852,125.40/x
  3. Step 3: Cross multiply
    13,104,067.80x = 19,656,101.70 × 12,852,125.40
  4. Step 4: Simplify right side
    13,104,067.80x = 252,622,683,923,553.19
  5. Step 5: Solve for x
    x = 252,622,683,923,553.19/13,104,067.80
  6. Step 6: Final answer
    x = 19,278,188.10

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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.