Home / 13,101,895.24-18,081,960.90-7,876,595.08

Finding the Fourth Proportional to 13,101,895.24, 18,081,960.90 and 7,876,595.08

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Solution

The fourth proportional to 13,101,895.24, 18,081,960.90 and 7,876,595.08 is: 10,870,510.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101,895.24 : 18,081,960.90 = 7,876,595.08 : x
  2. Step 2: Convert to fraction form
    13,101,895.24/18,081,960.90 = 7,876,595.08/x
  3. Step 3: Cross multiply
    13,101,895.24x = 18,081,960.90 × 7,876,595.08
  4. Step 4: Simplify right side
    13,101,895.24x = 142,424,284,261,692.38
  5. Step 5: Solve for x
    x = 142,424,284,261,692.38/13,101,895.24
  6. Step 6: Final answer
    x = 10,870,510.08

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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.