Home / 8,521,402.40-12,775,882.80-3,470,112.80

Finding the Fourth Proportional to 8,521,402.40, 12,775,882.80 and 3,470,112.80

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Solution

The fourth proportional to 8,521,402.40, 12,775,882.80 and 3,470,112.80 is: 5,202,635.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521,402.40 : 12,775,882.80 = 3,470,112.80 : x
  2. Step 2: Convert to fraction form
    8,521,402.40/12,775,882.80 = 3,470,112.80/x
  3. Step 3: Cross multiply
    8,521,402.40x = 12,775,882.80 × 3,470,112.80
  4. Step 4: Simplify right side
    8,521,402.40x = 44,333,754,435,579.84
  5. Step 5: Solve for x
    x = 44,333,754,435,579.84/8,521,402.40
  6. Step 6: Final answer
    x = 5,202,635.95

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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.