Home / 26,606,977.40-39,920,963.70-10,430,175.80

Finding the Fourth Proportional to 26,606,977.40, 39,920,963.70 and 10,430,175.80

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Solution

The fourth proportional to 26,606,977.40, 39,920,963.70 and 10,430,175.80 is: 15,649,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,606,977.40 : 39,920,963.70 = 10,430,175.80 : x
  2. Step 2: Convert to fraction form
    26,606,977.40/39,920,963.70 = 10,430,175.80/x
  3. Step 3: Cross multiply
    26,606,977.40x = 39,920,963.70 × 10,430,175.80
  4. Step 4: Simplify right side
    26,606,977.40x = 416,382,669,496,418.50
  5. Step 5: Solve for x
    x = 416,382,669,496,418.50/26,606,977.40
  6. Step 6: Final answer
    x = 15,649,378.85

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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.