Home / 21,182,233.02-29,231,913.22-11,890,473.06

Finding the Fourth Proportional to 21,182,233.02, 29,231,913.22 and 11,890,473.06

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Solution

The fourth proportional to 21,182,233.02, 29,231,913.22 and 11,890,473.06 is: 16,409,095.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,182,233.02 : 29,231,913.22 = 11,890,473.06 : x
  2. Step 2: Convert to fraction form
    21,182,233.02/29,231,913.22 = 11,890,473.06/x
  3. Step 3: Cross multiply
    21,182,233.02x = 29,231,913.22 × 11,890,473.06
  4. Step 4: Simplify right side
    21,182,233.02x = 347,581,276,634,667.88
  5. Step 5: Solve for x
    x = 347,581,276,634,667.88/21,182,233.02
  6. Step 6: Final answer
    x = 16,409,095.13

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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.