Home / 21,561,226.89-29,754,339.06-11,771,670.75

Finding the Fourth Proportional to 21,561,226.89, 29,754,339.06 and 11,771,670.75

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Solution

The fourth proportional to 21,561,226.89, 29,754,339.06 and 11,771,670.75 is: 16,244,821.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561,226.89 : 29,754,339.06 = 11,771,670.75 : x
  2. Step 2: Convert to fraction form
    21,561,226.89/29,754,339.06 = 11,771,670.75/x
  3. Step 3: Cross multiply
    21,561,226.89x = 29,754,339.06 × 11,771,670.75
  4. Step 4: Simplify right side
    21,561,226.89x = 350,258,282,798,184.50
  5. Step 5: Solve for x
    x = 350,258,282,798,184.50/21,561,226.89
  6. Step 6: Final answer
    x = 16,244,821.53

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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.