Home / 13,516,607.38-18,652,763.74-7,321,537.30

Finding the Fourth Proportional to 13,516,607.38, 18,652,763.74 and 7,321,537.30

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Solution

The fourth proportional to 13,516,607.38, 18,652,763.74 and 7,321,537.30 is: 10,103,637.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516,607.38 : 18,652,763.74 = 7,321,537.30 : x
  2. Step 2: Convert to fraction form
    13,516,607.38/18,652,763.74 = 7,321,537.30/x
  3. Step 3: Cross multiply
    13,516,607.38x = 18,652,763.74 × 7,321,537.30
  4. Step 4: Simplify right side
    13,516,607.38x = 136,566,905,340,625.98
  5. Step 5: Solve for x
    x = 136,566,905,340,625.98/13,516,607.38
  6. Step 6: Final answer
    x = 10,103,637.81

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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.