Home / 12,960,554.34-17,872,168.41-11,131,070.34

Finding the Fourth Proportional to 12,960,554.34, 17,872,168.41 and 11,131,070.34

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Solution

The fourth proportional to 12,960,554.34, 17,872,168.41 and 11,131,070.34 is: 15,349,371.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,554.34 : 17,872,168.41 = 11,131,070.34 : x
  2. Step 2: Convert to fraction form
    12,960,554.34/17,872,168.41 = 11,131,070.34/x
  3. Step 3: Cross multiply
    12,960,554.34x = 17,872,168.41 × 11,131,070.34
  4. Step 4: Simplify right side
    12,960,554.34x = 198,936,363,700,035.97
  5. Step 5: Solve for x
    x = 198,936,363,700,035.97/12,960,554.34
  6. Step 6: Final answer
    x = 15,349,371.52

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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.