Home / 21,315,780,626.88-29,414,611,892.40-11,668,644,346.98

Finding the Fourth Proportional to 21,315,780,626.88, 29,414,611,892.40 and 11,668,644,346.98

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Solution

The fourth proportional to 21,315,780,626.88, 29,414,611,892.40 and 11,668,644,346.98 is: 16,102,091,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,315,780,626.88 : 29,414,611,892.40 = 11,668,644,346.98 : x
  2. Step 2: Convert to fraction form
    21,315,780,626.88/29,414,611,892.40 = 11,668,644,346.98/x
  3. Step 3: Cross multiply
    21,315,780,626.88x = 29,414,611,892.40 × 11,668,644,346.98
  4. Step 4: Simplify right side
    21,315,780,626.88x = 343,228,644,776,863,924,224
  5. Step 5: Solve for x
    x = 343,228,644,776,863,924,224/21,315,780,626.88
  6. Step 6: Final answer
    x = 16,102,091,252.71

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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.