Home / 14,984,148.26-20,675,900.22-9,100,720.82

Finding the Fourth Proportional to 14,984,148.26, 20,675,900.22 and 9,100,720.82

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Solution

The fourth proportional to 14,984,148.26, 20,675,900.22 and 9,100,720.82 is: 12,557,643.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984,148.26 : 20,675,900.22 = 9,100,720.82 : x
  2. Step 2: Convert to fraction form
    14,984,148.26/20,675,900.22 = 9,100,720.82/x
  3. Step 3: Cross multiply
    14,984,148.26x = 20,675,900.22 × 9,100,720.82
  4. Step 4: Simplify right side
    14,984,148.26x = 188,165,595,604,396.56
  5. Step 5: Solve for x
    x = 188,165,595,604,396.56/14,984,148.26
  6. Step 6: Final answer
    x = 12,557,643.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.