Home / 6,851,031.47-9,453,221.65-3,909,505.53

Finding the Fourth Proportional to 6,851,031.47, 9,453,221.65 and 3,909,505.53

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Solution

The fourth proportional to 6,851,031.47, 9,453,221.65 and 3,909,505.53 is: 5,394,431.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,851,031.47 : 9,453,221.65 = 3,909,505.53 : x
  2. Step 2: Convert to fraction form
    6,851,031.47/9,453,221.65 = 3,909,505.53/x
  3. Step 3: Cross multiply
    6,851,031.47x = 9,453,221.65 × 3,909,505.53
  4. Step 4: Simplify right side
    6,851,031.47x = 36,957,422,316,990.73
  5. Step 5: Solve for x
    x = 36,957,422,316,990.73/6,851,031.47
  6. Step 6: Final answer
    x = 5,394,431.84

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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.