Home / 38,310,885.88-52,869,008.66-20,907,231.14

Finding the Fourth Proportional to 38,310,885.88, 52,869,008.66 and 20,907,231.14

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Solution

The fourth proportional to 38,310,885.88, 52,869,008.66 and 20,907,231.14 is: 28,851,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,310,885.88 : 52,869,008.66 = 20,907,231.14 : x
  2. Step 2: Convert to fraction form
    38,310,885.88/52,869,008.66 = 20,907,231.14/x
  3. Step 3: Cross multiply
    38,310,885.88x = 52,869,008.66 × 20,907,231.14
  4. Step 4: Simplify right side
    38,310,885.88x = 1,105,344,584,197,281.62
  5. Step 5: Solve for x
    x = 1,105,344,584,197,281.62/38,310,885.88
  6. Step 6: Final answer
    x = 28,851,971.41

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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.