Home / 11,679,126.72-16,000,136.16-11,242,471.20

Finding the Fourth Proportional to 11,679,126.72, 16,000,136.16 and 11,242,471.20

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Solution

The fourth proportional to 11,679,126.72, 16,000,136.16 and 11,242,471.20 is: 15,401,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679,126.72 : 16,000,136.16 = 11,242,471.20 : x
  2. Step 2: Convert to fraction form
    11,679,126.72/16,000,136.16 = 11,242,471.20/x
  3. Step 3: Cross multiply
    11,679,126.72x = 16,000,136.16 × 11,242,471.20
  4. Step 4: Simplify right side
    11,679,126.72x = 179,881,069,974,878.59
  5. Step 5: Solve for x
    x = 179,881,069,974,878.59/11,679,126.72
  6. Step 6: Final answer
    x = 15,401,928.10

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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.