Home / 9,291,268.30-13,936,902.45-7,378,080.70

Finding the Fourth Proportional to 9,291,268.30, 13,936,902.45 and 7,378,080.70

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Solution

The fourth proportional to 9,291,268.30, 13,936,902.45 and 7,378,080.70 is: 11,067,121.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291,268.30 : 13,936,902.45 = 7,378,080.70 : x
  2. Step 2: Convert to fraction form
    9,291,268.30/13,936,902.45 = 7,378,080.70/x
  3. Step 3: Cross multiply
    9,291,268.30x = 13,936,902.45 × 7,378,080.70
  4. Step 4: Simplify right side
    9,291,268.30x = 102,827,590,984,127.72
  5. Step 5: Solve for x
    x = 102,827,590,984,127.72/9,291,268.30
  6. Step 6: Final answer
    x = 11,067,121.05

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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.