Home / 12,832,066.12-19,236,138.72-6,434,843.26

Finding the Fourth Proportional to 12,832,066.12, 19,236,138.72 and 6,434,843.26

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Solution

The fourth proportional to 12,832,066.12, 19,236,138.72 and 6,434,843.26 is: 9,646,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,832,066.12 : 19,236,138.72 = 6,434,843.26 : x
  2. Step 2: Convert to fraction form
    12,832,066.12/19,236,138.72 = 6,434,843.26/x
  3. Step 3: Cross multiply
    12,832,066.12x = 19,236,138.72 × 6,434,843.26
  4. Step 4: Simplify right side
    12,832,066.12x = 123,781,537,590,817.02
  5. Step 5: Solve for x
    x = 123,781,537,590,817.02/12,832,066.12
  6. Step 6: Final answer
    x = 9,646,267.13

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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.