Home / 13,191,115.80-19,770,927.30-6,798,077.40

Finding the Fourth Proportional to 13,191,115.80, 19,770,927.30 and 6,798,077.40

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Solution

The fourth proportional to 13,191,115.80, 19,770,927.30 and 6,798,077.40 is: 10,189,001.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191,115.80 : 19,770,927.30 = 6,798,077.40 : x
  2. Step 2: Convert to fraction form
    13,191,115.80/19,770,927.30 = 6,798,077.40/x
  3. Step 3: Cross multiply
    13,191,115.80x = 19,770,927.30 × 6,798,077.40
  4. Step 4: Simplify right side
    13,191,115.80x = 134,404,294,055,173.03
  5. Step 5: Solve for x
    x = 134,404,294,055,173.03/13,191,115.80
  6. Step 6: Final answer
    x = 10,189,001.15

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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.