Home / 12,227,112.40-18,340,085.40-4,139,294.80

Finding the Fourth Proportional to 12,227,112.40, 18,340,085.40 and 4,139,294.80

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Solution

The fourth proportional to 12,227,112.40, 18,340,085.40 and 4,139,294.80 is: 6,208,744.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227,112.40 : 18,340,085.40 = 4,139,294.80 : x
  2. Step 2: Convert to fraction form
    12,227,112.40/18,340,085.40 = 4,139,294.80/x
  3. Step 3: Cross multiply
    12,227,112.40x = 18,340,085.40 × 4,139,294.80
  4. Step 4: Simplify right side
    12,227,112.40x = 75,915,020,127,775.91
  5. Step 5: Solve for x
    x = 75,915,020,127,775.91/12,227,112.40
  6. Step 6: Final answer
    x = 6,208,744.77

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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.