Home / 13,699,846.08-18,905,551.12-7,588,143.36

Finding the Fourth Proportional to 13,699,846.08, 18,905,551.12 and 7,588,143.36

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Solution

The fourth proportional to 13,699,846.08, 18,905,551.12 and 7,588,143.36 is: 10,471,506.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699,846.08 : 18,905,551.12 = 7,588,143.36 : x
  2. Step 2: Convert to fraction form
    13,699,846.08/18,905,551.12 = 7,588,143.36/x
  3. Step 3: Cross multiply
    13,699,846.08x = 18,905,551.12 × 7,588,143.36
  4. Step 4: Simplify right side
    13,699,846.08x = 143,458,032,198,368.56
  5. Step 5: Solve for x
    x = 143,458,032,198,368.56/13,699,846.08
  6. Step 6: Final answer
    x = 10,471,506.86

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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.