Home / 12,012,856.94-16,564,459.01-7,655,040.74

Finding the Fourth Proportional to 12,012,856.94, 16,564,459.01 and 7,655,040.74

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Solution

The fourth proportional to 12,012,856.94, 16,564,459.01 and 7,655,040.74 is: 10,555,491.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012,856.94 : 16,564,459.01 = 7,655,040.74 : x
  2. Step 2: Convert to fraction form
    12,012,856.94/16,564,459.01 = 7,655,040.74/x
  3. Step 3: Cross multiply
    12,012,856.94x = 16,564,459.01 × 7,655,040.74
  4. Step 4: Simplify right side
    12,012,856.94x = 126,801,608,557,610.06
  5. Step 5: Solve for x
    x = 126,801,608,557,610.06/12,012,856.94
  6. Step 6: Final answer
    x = 10,555,491.44

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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.