Home / 15,515,855.40-23,284,280.70-6,991,804.20

Finding the Fourth Proportional to 15,515,855.40, 23,284,280.70 and 6,991,804.20

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Solution

The fourth proportional to 15,515,855.40, 23,284,280.70 and 6,991,804.20 is: 10,492,436.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515,855.40 : 23,284,280.70 = 6,991,804.20 : x
  2. Step 2: Convert to fraction form
    15,515,855.40/23,284,280.70 = 6,991,804.20/x
  3. Step 3: Cross multiply
    15,515,855.40x = 23,284,280.70 × 6,991,804.20
  4. Step 4: Simplify right side
    15,515,855.40x = 162,799,131,592,238.94
  5. Step 5: Solve for x
    x = 162,799,131,592,238.94/15,515,855.40
  6. Step 6: Final answer
    x = 10,492,436.76

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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.