Home / 38,313,811.98-57,468,657.48-18,863,647.90

Finding the Fourth Proportional to 38,313,811.98, 57,468,657.48 and 18,863,647.90

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Solution

The fourth proportional to 38,313,811.98, 57,468,657.48 and 18,863,647.90 is: 28,294,457.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,313,811.98 : 57,468,657.48 = 18,863,647.90 : x
  2. Step 2: Convert to fraction form
    38,313,811.98/57,468,657.48 = 18,863,647.90/x
  3. Step 3: Cross multiply
    38,313,811.98x = 57,468,657.48 × 18,863,647.90
  4. Step 4: Simplify right side
    38,313,811.98x = 1,084,068,519,988,421.12
  5. Step 5: Solve for x
    x = 1,084,068,519,988,421.12/38,313,811.98
  6. Step 6: Final answer
    x = 28,294,457.38

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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.