Home / 40,685,105.80-61,027,658.70-10,392,968.80

Finding the Fourth Proportional to 40,685,105.80, 61,027,658.70 and 10,392,968.80

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Solution

The fourth proportional to 40,685,105.80, 61,027,658.70 and 10,392,968.80 is: 15,589,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,685,105.80 : 61,027,658.70 = 10,392,968.80 : x
  2. Step 2: Convert to fraction form
    40,685,105.80/61,027,658.70 = 10,392,968.80/x
  3. Step 3: Cross multiply
    40,685,105.80x = 61,027,658.70 × 10,392,968.80
  4. Step 4: Simplify right side
    40,685,105.80x = 634,258,552,806,148.62
  5. Step 5: Solve for x
    x = 634,258,552,806,148.62/40,685,105.80
  6. Step 6: Final answer
    x = 15,589,453.20

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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.