Home / 12,845,427.20-17,726,712.78-7,044,250.46

Finding the Fourth Proportional to 12,845,427.20, 17,726,712.78 and 7,044,250.46

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Solution

The fourth proportional to 12,845,427.20, 17,726,712.78 and 7,044,250.46 is: 9,721,078.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845,427.20 : 17,726,712.78 = 7,044,250.46 : x
  2. Step 2: Convert to fraction form
    12,845,427.20/17,726,712.78 = 7,044,250.46/x
  3. Step 3: Cross multiply
    12,845,427.20x = 17,726,712.78 × 7,044,250.46
  4. Step 4: Simplify right side
    12,845,427.20x = 124,871,404,572,769.78
  5. Step 5: Solve for x
    x = 124,871,404,572,769.78/12,845,427.20
  6. Step 6: Final answer
    x = 9,721,078.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.