Home / 15,027,343,955.46-20,739,647,841.21-9,086,938,972.74

Finding the Fourth Proportional to 15,027,343,955.46, 20,739,647,841.21 and 9,086,938,972.74

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Solution

The fourth proportional to 15,027,343,955.46, 20,739,647,841.21 and 9,086,938,972.74 is: 12,541,132,671.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027,343,955.46 : 20,739,647,841.21 = 9,086,938,972.74 : x
  2. Step 2: Convert to fraction form
    15,027,343,955.46/20,739,647,841.21 = 9,086,938,972.74/x
  3. Step 3: Cross multiply
    15,027,343,955.46x = 20,739,647,841.21 × 9,086,938,972.74
  4. Step 4: Simplify right side
    15,027,343,955.46x = 188,459,914,249,194,143,744
  5. Step 5: Solve for x
    x = 188,459,914,249,194,143,744/15,027,343,955.46
  6. Step 6: Final answer
    x = 12,541,132,671.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.