Home / 13,278,700.80-19,918,051.20-13,152,729.60

Finding the Fourth Proportional to 13,278,700.80, 19,918,051.20 and 13,152,729.60

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Solution

The fourth proportional to 13,278,700.80, 19,918,051.20 and 13,152,729.60 is: 19,729,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,278,700.80 : 19,918,051.20 = 13,152,729.60 : x
  2. Step 2: Convert to fraction form
    13,278,700.80/19,918,051.20 = 13,152,729.60/x
  3. Step 3: Cross multiply
    13,278,700.80x = 19,918,051.20 × 13,152,729.60
  4. Step 4: Simplify right side
    13,278,700.80x = 261,976,741,592,555.50
  5. Step 5: Solve for x
    x = 261,976,741,592,555.50/13,278,700.80
  6. Step 6: Final answer
    x = 19,729,094.40

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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.