Home / 11,481,380.16-17,201,066.40-5,421,117.12

Finding the Fourth Proportional to 11,481,380.16, 17,201,066.40 and 5,421,117.12

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Solution

The fourth proportional to 11,481,380.16, 17,201,066.40 and 5,421,117.12 is: 8,121,758.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481,380.16 : 17,201,066.40 = 5,421,117.12 : x
  2. Step 2: Convert to fraction form
    11,481,380.16/17,201,066.40 = 5,421,117.12/x
  3. Step 3: Cross multiply
    11,481,380.16x = 17,201,066.40 × 5,421,117.12
  4. Step 4: Simplify right side
    11,481,380.16x = 93,248,995,543,296.77
  5. Step 5: Solve for x
    x = 93,248,995,543,296.77/11,481,380.16
  6. Step 6: Final answer
    x = 8,121,758.38

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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.