Home / 38,103,396.48-52,582,732.80-20,699,753.28

Finding the Fourth Proportional to 38,103,396.48, 52,582,732.80 and 20,699,753.28

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Solution

The fourth proportional to 38,103,396.48, 52,582,732.80 and 20,699,753.28 is: 28,565,684.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,103,396.48 : 52,582,732.80 = 20,699,753.28 : x
  2. Step 2: Convert to fraction form
    38,103,396.48/52,582,732.80 = 20,699,753.28/x
  3. Step 3: Cross multiply
    38,103,396.48x = 52,582,732.80 × 20,699,753.28
  4. Step 4: Simplify right side
    38,103,396.48x = 1,088,449,595,748,163.62
  5. Step 5: Solve for x
    x = 1,088,449,595,748,163.62/38,103,396.48
  6. Step 6: Final answer
    x = 28,565,684.33

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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.