Home / 28,241,342.66-42,361,944.42-15,939,729.30

Finding the Fourth Proportional to 28,241,342.66, 42,361,944.42 and 15,939,729.30

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Solution

The fourth proportional to 28,241,342.66, 42,361,944.42 and 15,939,729.30 is: 23,909,554.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,241,342.66 : 42,361,944.42 = 15,939,729.30 : x
  2. Step 2: Convert to fraction form
    28,241,342.66/42,361,944.42 = 15,939,729.30/x
  3. Step 3: Cross multiply
    28,241,342.66x = 42,361,944.42 × 15,939,729.30
  4. Step 4: Simplify right side
    28,241,342.66x = 675,237,926,676,445.62
  5. Step 5: Solve for x
    x = 675,237,926,676,445.62/28,241,342.66
  6. Step 6: Final answer
    x = 23,909,554.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.