Home / 28,539,675.36-39,373,540.56-16,309,971.36

Finding the Fourth Proportional to 28,539,675.36, 39,373,540.56 and 16,309,971.36

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Solution

The fourth proportional to 28,539,675.36, 39,373,540.56 and 16,309,971.36 is: 22,501,353.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,539,675.36 : 39,373,540.56 = 16,309,971.36 : x
  2. Step 2: Convert to fraction form
    28,539,675.36/39,373,540.56 = 16,309,971.36/x
  3. Step 3: Cross multiply
    28,539,675.36x = 39,373,540.56 × 16,309,971.36
  4. Step 4: Simplify right side
    28,539,675.36x = 642,181,318,875,398.38
  5. Step 5: Solve for x
    x = 642,181,318,875,398.38/28,539,675.36
  6. Step 6: Final answer
    x = 22,501,353.32

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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.