Home / 21,548,052.12-29,736,942.90-11,759,127.09

Finding the Fourth Proportional to 21,548,052.12, 29,736,942.90 and 11,759,127.09

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Solution

The fourth proportional to 21,548,052.12, 29,736,942.90 and 11,759,127.09 is: 16,227,939.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548,052.12 : 29,736,942.90 = 11,759,127.09 : x
  2. Step 2: Convert to fraction form
    21,548,052.12/29,736,942.90 = 11,759,127.09/x
  3. Step 3: Cross multiply
    21,548,052.12x = 29,736,942.90 × 11,759,127.09
  4. Step 4: Simplify right side
    21,548,052.12x = 349,680,490,829,173.12
  5. Step 5: Solve for x
    x = 349,680,490,829,173.12/21,548,052.12
  6. Step 6: Final answer
    x = 16,227,939.72

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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.