Home / 15,082,998,558.53-20,817,070,871.69-8,743,332,056.45

Finding the Fourth Proportional to 15,082,998,558.53, 20,817,070,871.69 and 8,743,332,056.45

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Solution

The fourth proportional to 15,082,998,558.53, 20,817,070,871.69 and 8,743,332,056.45 is: 12,067,266,489.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,082,998,558.53 : 20,817,070,871.69 = 8,743,332,056.45 : x
  2. Step 2: Convert to fraction form
    15,082,998,558.53/20,817,070,871.69 = 8,743,332,056.45/x
  3. Step 3: Cross multiply
    15,082,998,558.53x = 20,817,070,871.69 × 8,743,332,056.45
  4. Step 4: Simplify right side
    15,082,998,558.53x = 182,010,563,073,752,137,728
  5. Step 5: Solve for x
    x = 182,010,563,073,752,137,728/15,082,998,558.53
  6. Step 6: Final answer
    x = 12,067,266,489.98

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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.