Home / 15,173,378.48-20,941,175.09-9,950,778.74

Finding the Fourth Proportional to 15,173,378.48, 20,941,175.09 and 9,950,778.74

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Solution

The fourth proportional to 15,173,378.48, 20,941,175.09 and 9,950,778.74 is: 13,733,329.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,173,378.48 : 20,941,175.09 = 9,950,778.74 : x
  2. Step 2: Convert to fraction form
    15,173,378.48/20,941,175.09 = 9,950,778.74/x
  3. Step 3: Cross multiply
    15,173,378.48x = 20,941,175.09 × 9,950,778.74
  4. Step 4: Simplify right side
    15,173,378.48x = 208,380,999,876,189.59
  5. Step 5: Solve for x
    x = 208,380,999,876,189.59/15,173,378.48
  6. Step 6: Final answer
    x = 13,733,329.08

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1.5x scale

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.