Home / 13,278,538.80-19,917,808.20-13,152,567.60

Finding the Fourth Proportional to 13,278,538.80, 19,917,808.20 and 13,152,567.60

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Solution

The fourth proportional to 13,278,538.80, 19,917,808.20 and 13,152,567.60 is: 19,728,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,278,538.80 : 19,917,808.20 = 13,152,567.60 : x
  2. Step 2: Convert to fraction form
    13,278,538.80/19,917,808.20 = 13,152,567.60/x
  3. Step 3: Cross multiply
    13,278,538.80x = 19,917,808.20 × 13,152,567.60
  4. Step 4: Simplify right side
    13,278,538.80x = 261,970,318,794,334.31
  5. Step 5: Solve for x
    x = 261,970,318,794,334.31/13,278,538.80
  6. Step 6: Final answer
    x = 19,728,851.40

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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.