Home / 12,019,968,007.70-18,029,952,011.55-9,841,394,081.30

Finding the Fourth Proportional to 12,019,968,007.70, 18,029,952,011.55 and 9,841,394,081.30

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Solution

The fourth proportional to 12,019,968,007.70, 18,029,952,011.55 and 9,841,394,081.30 is: 14,762,091,121.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019,968,007.70 : 18,029,952,011.55 = 9,841,394,081.30 : x
  2. Step 2: Convert to fraction form
    12,019,968,007.70/18,029,952,011.55 = 9,841,394,081.30/x
  3. Step 3: Cross multiply
    12,019,968,007.70x = 18,029,952,011.55 × 9,841,394,081.30
  4. Step 4: Simplify right side
    12,019,968,007.70x = 177,439,863,012,591,173,632
  5. Step 5: Solve for x
    x = 177,439,863,012,591,173,632/12,019,968,007.70
  6. Step 6: Final answer
    x = 14,762,091,121.95

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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.