Home / 12,864,076.59-19,292,017.80-4,226,171.97

Finding the Fourth Proportional to 12,864,076.59, 19,292,017.80 and 4,226,171.97

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Solution

The fourth proportional to 12,864,076.59, 19,292,017.80 and 4,226,171.97 is: 6,337,911.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864,076.59 : 19,292,017.80 = 4,226,171.97 : x
  2. Step 2: Convert to fraction form
    12,864,076.59/19,292,017.80 = 4,226,171.97/x
  3. Step 3: Cross multiply
    12,864,076.59x = 19,292,017.80 × 4,226,171.97
  4. Step 4: Simplify right side
    12,864,076.59x = 81,531,384,871,101.06
  5. Step 5: Solve for x
    x = 81,531,384,871,101.06/12,864,076.59
  6. Step 6: Final answer
    x = 6,337,911.96

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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.