Home / 28,403,623.48-42,511,559.42-25,851,245.10

Finding the Fourth Proportional to 28,403,623.48, 42,511,559.42 and 25,851,245.10

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Solution

The fourth proportional to 28,403,623.48, 42,511,559.42 and 25,851,245.10 is: 38,691,427.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,623.48 : 42,511,559.42 = 25,851,245.10 : x
  2. Step 2: Convert to fraction form
    28,403,623.48/42,511,559.42 = 25,851,245.10/x
  3. Step 3: Cross multiply
    28,403,623.48x = 42,511,559.42 × 25,851,245.10
  4. Step 4: Simplify right side
    28,403,623.48x = 1,098,976,742,149,634
  5. Step 5: Solve for x
    x = 1,098,976,742,149,634/28,403,623.48
  6. Step 6: Final answer
    x = 38,691,427.62

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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.