Home / 13,109,463.72-18,091,137.25-7,606,115.45

Finding the Fourth Proportional to 13,109,463.72, 18,091,137.25 and 7,606,115.45

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Solution

The fourth proportional to 13,109,463.72, 18,091,137.25 and 7,606,115.45 is: 10,496,484.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,109,463.72 : 18,091,137.25 = 7,606,115.45 : x
  2. Step 2: Convert to fraction form
    13,109,463.72/18,091,137.25 = 7,606,115.45/x
  3. Step 3: Cross multiply
    13,109,463.72x = 18,091,137.25 × 7,606,115.45
  4. Step 4: Simplify right side
    13,109,463.72x = 137,603,278,600,030.98
  5. Step 5: Solve for x
    x = 137,603,278,600,030.98/13,109,463.72
  6. Step 6: Final answer
    x = 10,496,484.18

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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.