Home / 21,793,240.62-30,074,670.63-12,631,197.78

Finding the Fourth Proportional to 21,793,240.62, 30,074,670.63 and 12,631,197.78

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Solution

The fourth proportional to 21,793,240.62, 30,074,670.63 and 12,631,197.78 is: 17,431,052.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,793,240.62 : 30,074,670.63 = 12,631,197.78 : x
  2. Step 2: Convert to fraction form
    21,793,240.62/30,074,670.63 = 12,631,197.78/x
  3. Step 3: Cross multiply
    21,793,240.62x = 30,074,670.63 × 12,631,197.78
  4. Step 4: Simplify right side
    21,793,240.62x = 379,879,112,895,887.19
  5. Step 5: Solve for x
    x = 379,879,112,895,887.19/21,793,240.62
  6. Step 6: Final answer
    x = 17,431,052.11

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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.