Home / 10,278,477.66-14,184,288.09-5,632,375.98

Finding the Fourth Proportional to 10,278,477.66, 14,184,288.09 and 5,632,375.98

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Solution

The fourth proportional to 10,278,477.66, 14,184,288.09 and 5,632,375.98 is: 7,772,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278,477.66 : 14,184,288.09 = 5,632,375.98 : x
  2. Step 2: Convert to fraction form
    10,278,477.66/14,184,288.09 = 5,632,375.98/x
  3. Step 3: Cross multiply
    10,278,477.66x = 14,184,288.09 × 5,632,375.98
  4. Step 4: Simplify right side
    10,278,477.66x = 79,891,243,531,516.08
  5. Step 5: Solve for x
    x = 79,891,243,531,516.08/10,278,477.66
  6. Step 6: Final answer
    x = 7,772,672.78

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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.