Home / 18,189,269.90-25,101,786.57-9,929,772.60

Finding the Fourth Proportional to 18,189,269.90, 25,101,786.57 and 9,929,772.60

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Solution

The fourth proportional to 18,189,269.90, 25,101,786.57 and 9,929,772.60 is: 13,703,410.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189,269.90 : 25,101,786.57 = 9,929,772.60 : x
  2. Step 2: Convert to fraction form
    18,189,269.90/25,101,786.57 = 9,929,772.60/x
  3. Step 3: Cross multiply
    18,189,269.90x = 25,101,786.57 × 9,929,772.60
  4. Step 4: Simplify right side
    18,189,269.90x = 249,255,032,362,465.62
  5. Step 5: Solve for x
    x = 249,255,032,362,465.62/18,189,269.90
  6. Step 6: Final answer
    x = 13,703,410.51

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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.