Home / 21,490,505.28-29,656,618.92-11,700,837.36

Finding the Fourth Proportional to 21,490,505.28, 29,656,618.92 and 11,700,837.36

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Solution

The fourth proportional to 21,490,505.28, 29,656,618.92 and 11,700,837.36 is: 16,147,004.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,490,505.28 : 29,656,618.92 = 11,700,837.36 : x
  2. Step 2: Convert to fraction form
    21,490,505.28/29,656,618.92 = 11,700,837.36/x
  3. Step 3: Cross multiply
    21,490,505.28x = 29,656,618.92 × 11,700,837.36
  4. Step 4: Simplify right side
    21,490,505.28x = 347,007,274,630,418.88
  5. Step 5: Solve for x
    x = 347,007,274,630,418.88/21,490,505.28
  6. Step 6: Final answer
    x = 16,147,004.00

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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.