Home / 27,968,933,870.62-38,604,310,115.93-18,216,373,369.98

Finding the Fourth Proportional to 27,968,933,870.62, 38,604,310,115.93 and 18,216,373,369.98

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Solution

The fourth proportional to 27,968,933,870.62, 38,604,310,115.93 and 18,216,373,369.98 is: 25,143,272,532.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,968,933,870.62 : 38,604,310,115.93 = 18,216,373,369.98 : x
  2. Step 2: Convert to fraction form
    27,968,933,870.62/38,604,310,115.93 = 18,216,373,369.98/x
  3. Step 3: Cross multiply
    27,968,933,870.62x = 38,604,310,115.93 × 18,216,373,369.98
  4. Step 4: Simplify right side
    27,968,933,870.62x = 703,230,526,762,145,021,952
  5. Step 5: Solve for x
    x = 703,230,526,762,145,021,952/27,968,933,870.62
  6. Step 6: Final answer
    x = 25,143,272,532.85

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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.