Home / 21,896,896.84-30,217,179.12-12,107,090.23

Finding the Fourth Proportional to 21,896,896.84, 30,217,179.12 and 12,107,090.23

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Solution

The fourth proportional to 21,896,896.84, 30,217,179.12 and 12,107,090.23 is: 16,707,486.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,896,896.84 : 30,217,179.12 = 12,107,090.23 : x
  2. Step 2: Convert to fraction form
    21,896,896.84/30,217,179.12 = 12,107,090.23/x
  3. Step 3: Cross multiply
    21,896,896.84x = 30,217,179.12 × 12,107,090.23
  4. Step 4: Simplify right side
    21,896,896.84x = 365,842,114,101,912
  5. Step 5: Solve for x
    x = 365,842,114,101,912/21,896,896.84
  6. Step 6: Final answer
    x = 16,707,486.76

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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.