Home / 12,385,961.79-18,579,434.76-3,866,299.17

Finding the Fourth Proportional to 12,385,961.79, 18,579,434.76 and 3,866,299.17

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Solution

The fourth proportional to 12,385,961.79, 18,579,434.76 and 3,866,299.17 is: 5,799,602.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385,961.79 : 18,579,434.76 = 3,866,299.17 : x
  2. Step 2: Convert to fraction form
    12,385,961.79/18,579,434.76 = 3,866,299.17/x
  3. Step 3: Cross multiply
    12,385,961.79x = 18,579,434.76 × 3,866,299.17
  4. Step 4: Simplify right side
    12,385,961.79x = 71,833,653,191,657.16
  5. Step 5: Solve for x
    x = 71,833,653,191,657.16/12,385,961.79
  6. Step 6: Final answer
    x = 5,799,602.36

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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.