Home / 10,378,081.89-15,567,178.14-6,806,466.45

Finding the Fourth Proportional to 10,378,081.89, 15,567,178.14 and 6,806,466.45

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Solution

The fourth proportional to 10,378,081.89, 15,567,178.14 and 6,806,466.45 is: 10,209,735.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378,081.89 : 15,567,178.14 = 6,806,466.45 : x
  2. Step 2: Convert to fraction form
    10,378,081.89/15,567,178.14 = 6,806,466.45/x
  3. Step 3: Cross multiply
    10,378,081.89x = 15,567,178.14 × 6,806,466.45
  4. Step 4: Simplify right side
    10,378,081.89x = 105,957,475,731,083.41
  5. Step 5: Solve for x
    x = 105,957,475,731,083.41/10,378,081.89
  6. Step 6: Final answer
    x = 10,209,735.95

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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.