Home / 7,225,270.96-9,971,964.12-4,612,891.36

Finding the Fourth Proportional to 7,225,270.96, 9,971,964.12 and 4,612,891.36

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Solution

The fourth proportional to 7,225,270.96, 9,971,964.12 and 4,612,891.36 is: 6,366,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225,270.96 : 9,971,964.12 = 4,612,891.36 : x
  2. Step 2: Convert to fraction form
    7,225,270.96/9,971,964.12 = 4,612,891.36/x
  3. Step 3: Cross multiply
    7,225,270.96x = 9,971,964.12 × 4,612,891.36
  4. Step 4: Simplify right side
    7,225,270.96x = 45,999,587,131,378
  5. Step 5: Solve for x
    x = 45,999,587,131,378/7,225,270.96
  6. Step 6: Final answer
    x = 6,366,486.10

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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.