Home / 9,770,992.75-13,485,587.09-5,421,480.31

Finding the Fourth Proportional to 9,770,992.75, 13,485,587.09 and 5,421,480.31

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Solution

The fourth proportional to 9,770,992.75, 13,485,587.09 and 5,421,480.31 is: 7,482,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,770,992.75 : 13,485,587.09 = 5,421,480.31 : x
  2. Step 2: Convert to fraction form
    9,770,992.75/13,485,587.09 = 5,421,480.31/x
  3. Step 3: Cross multiply
    9,770,992.75x = 13,485,587.09 × 5,421,480.31
  4. Step 4: Simplify right side
    9,770,992.75x = 73,111,844,877,225.19
  5. Step 5: Solve for x
    x = 73,111,844,877,225.19/9,770,992.75
  6. Step 6: Final answer
    x = 7,482,540.08

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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.