Home / 11,679,127.72-16,000,137.53-11,242,472.20

Finding the Fourth Proportional to 11,679,127.72, 16,000,137.53 and 11,242,472.20

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Solution

The fourth proportional to 11,679,127.72, 16,000,137.53 and 11,242,472.20 is: 15,401,929.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679,127.72 : 16,000,137.53 = 11,242,472.20 : x
  2. Step 2: Convert to fraction form
    11,679,127.72/16,000,137.53 = 11,242,472.20/x
  3. Step 3: Cross multiply
    11,679,127.72x = 16,000,137.53 × 11,242,472.20
  4. Step 4: Simplify right side
    11,679,127.72x = 179,881,101,377,201.66
  5. Step 5: Solve for x
    x = 179,881,101,377,201.66/11,679,127.72
  6. Step 6: Final answer
    x = 15,401,929.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.