Home / 21,590,364.62-29,794,630.80-11,800,803.14

Finding the Fourth Proportional to 21,590,364.62, 29,794,630.80 and 11,800,803.14

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Solution

The fourth proportional to 21,590,364.62, 29,794,630.80 and 11,800,803.14 is: 16,285,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,590,364.62 : 29,794,630.80 = 11,800,803.14 : x
  2. Step 2: Convert to fraction form
    21,590,364.62/29,794,630.80 = 11,800,803.14/x
  3. Step 3: Cross multiply
    21,590,364.62x = 29,794,630.80 × 11,800,803.14
  4. Step 4: Simplify right side
    21,590,364.62x = 351,600,572,699,780.75
  5. Step 5: Solve for x
    x = 351,600,572,699,780.75/21,590,364.62
  6. Step 6: Final answer
    x = 16,285,068.77

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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.