Home / 11,513,129.78-15,888,017.49-6,356,381.30

Finding the Fourth Proportional to 11,513,129.78, 15,888,017.49 and 6,356,381.30

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Solution

The fourth proportional to 11,513,129.78, 15,888,017.49 and 6,356,381.30 is: 8,771,750.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513,129.78 : 15,888,017.49 = 6,356,381.30 : x
  2. Step 2: Convert to fraction form
    11,513,129.78/15,888,017.49 = 6,356,381.30/x
  3. Step 3: Cross multiply
    11,513,129.78x = 15,888,017.49 × 6,356,381.30
  4. Step 4: Simplify right side
    11,513,129.78x = 100,990,297,267,508.94
  5. Step 5: Solve for x
    x = 100,990,297,267,508.94/11,513,129.78
  6. Step 6: Final answer
    x = 8,771,750.10

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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.