Home / 9,482,520.51-13,085,910.75-5,131,605.72

Finding the Fourth Proportional to 9,482,520.51, 13,085,910.75 and 5,131,605.72

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Solution

The fourth proportional to 9,482,520.51, 13,085,910.75 and 5,131,605.72 is: 7,081,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,482,520.51 : 13,085,910.75 = 5,131,605.72 : x
  2. Step 2: Convert to fraction form
    9,482,520.51/13,085,910.75 = 5,131,605.72/x
  3. Step 3: Cross multiply
    9,482,520.51x = 13,085,910.75 × 5,131,605.72
  4. Step 4: Simplify right side
    9,482,520.51x = 67,151,734,456,109.48
  5. Step 5: Solve for x
    x = 67,151,734,456,109.48/9,482,520.51
  6. Step 6: Final answer
    x = 7,081,633.45

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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.