Home / 12,123,640.73-18,187,860.53-4,447,352.63

Finding the Fourth Proportional to 12,123,640.73, 18,187,860.53 and 4,447,352.63

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Solution

The fourth proportional to 12,123,640.73, 18,187,860.53 and 4,447,352.63 is: 6,671,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,123,640.73 : 18,187,860.53 = 4,447,352.63 : x
  2. Step 2: Convert to fraction form
    12,123,640.73/18,187,860.53 = 4,447,352.63/x
  3. Step 3: Cross multiply
    12,123,640.73x = 18,187,860.53 × 4,447,352.63
  4. Step 4: Simplify right side
    12,123,640.73x = 80,887,829,259,602.28
  5. Step 5: Solve for x
    x = 80,887,829,259,602.28/12,123,640.73
  6. Step 6: Final answer
    x = 6,671,909.13

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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.