Home / 12,123,641.73-18,187,862.03-4,447,353.63

Finding the Fourth Proportional to 12,123,641.73, 18,187,862.03 and 4,447,353.63

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Solution

The fourth proportional to 12,123,641.73, 18,187,862.03 and 4,447,353.63 is: 6,671,910.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,123,641.73 : 18,187,862.03 = 4,447,353.63 : x
  2. Step 2: Convert to fraction form
    12,123,641.73/18,187,862.03 = 4,447,353.63/x
  3. Step 3: Cross multiply
    12,123,641.73x = 18,187,862.03 × 4,447,353.63
  4. Step 4: Simplify right side
    12,123,641.73x = 80,887,854,221,059.67
  5. Step 5: Solve for x
    x = 80,887,854,221,059.67/12,123,641.73
  6. Step 6: Final answer
    x = 6,671,910.64

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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.