Home / 19,839,796.43-27,381,907.24-12,109,330.98

Finding the Fourth Proportional to 19,839,796.43, 27,381,907.24 and 12,109,330.98

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Solution

The fourth proportional to 19,839,796.43, 27,381,907.24 and 12,109,330.98 is: 16,712,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839,796.43 : 27,381,907.24 = 12,109,330.98 : x
  2. Step 2: Convert to fraction form
    19,839,796.43/27,381,907.24 = 12,109,330.98/x
  3. Step 3: Cross multiply
    19,839,796.43x = 27,381,907.24 × 12,109,330.98
  4. Step 4: Simplify right side
    19,839,796.43x = 331,576,577,602,545
  5. Step 5: Solve for x
    x = 331,576,577,602,545/19,839,796.43
  6. Step 6: Final answer
    x = 16,712,700.60

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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.