Home / 9,392,575.05-12,967,971.21-7,213,207.68

Finding the Fourth Proportional to 9,392,575.05, 12,967,971.21 and 7,213,207.68

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Solution

The fourth proportional to 9,392,575.05, 12,967,971.21 and 7,213,207.68 is: 9,959,001.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,392,575.05 : 12,967,971.21 = 7,213,207.68 : x
  2. Step 2: Convert to fraction form
    9,392,575.05/12,967,971.21 = 7,213,207.68/x
  3. Step 3: Cross multiply
    9,392,575.05x = 12,967,971.21 × 7,213,207.68
  4. Step 4: Simplify right side
    9,392,575.05x = 93,540,669,525,990.89
  5. Step 5: Solve for x
    x = 93,540,669,525,990.89/9,392,575.05
  6. Step 6: Final answer
    x = 9,959,001.55

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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.