Home / 13,032,800.20-17,985,388.30-7,232,121.69

Finding the Fourth Proportional to 13,032,800.20, 17,985,388.30 and 7,232,121.69

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Solution

The fourth proportional to 13,032,800.20, 17,985,388.30 and 7,232,121.69 is: 9,980,396.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032,800.20 : 17,985,388.30 = 7,232,121.69 : x
  2. Step 2: Convert to fraction form
    13,032,800.20/17,985,388.30 = 7,232,121.69/x
  3. Step 3: Cross multiply
    13,032,800.20x = 17,985,388.30 × 7,232,121.69
  4. Step 4: Simplify right side
    13,032,800.20x = 130,072,516,741,976.72
  5. Step 5: Solve for x
    x = 130,072,516,741,976.72/13,032,800.20
  6. Step 6: Final answer
    x = 9,980,396.75

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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.