Home / 12,864,066.05-19,292,002.09-4,226,161.46

Finding the Fourth Proportional to 12,864,066.05, 19,292,002.09 and 4,226,161.46

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Solution

The fourth proportional to 12,864,066.05, 19,292,002.09 and 4,226,161.46 is: 6,337,896.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864,066.05 : 19,292,002.09 = 4,226,161.46 : x
  2. Step 2: Convert to fraction form
    12,864,066.05/19,292,002.09 = 4,226,161.46/x
  3. Step 3: Cross multiply
    12,864,066.05x = 19,292,002.09 × 4,226,161.46
  4. Step 4: Simplify right side
    12,864,066.05x = 81,531,115,611,972.03
  5. Step 5: Solve for x
    x = 81,531,115,611,972.03/12,864,066.05
  6. Step 6: Final answer
    x = 6,337,896.22

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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.