Home / 18,240,610.77-25,172,029.53-9,980,727.30

Finding the Fourth Proportional to 18,240,610.77, 25,172,029.53 and 9,980,727.30

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Solution

The fourth proportional to 18,240,610.77, 25,172,029.53 and 9,980,727.30 is: 13,773,396.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240,610.77 : 25,172,029.53 = 9,980,727.30 : x
  2. Step 2: Convert to fraction form
    18,240,610.77/25,172,029.53 = 9,980,727.30/x
  3. Step 3: Cross multiply
    18,240,610.77x = 25,172,029.53 × 9,980,727.30
  4. Step 4: Simplify right side
    18,240,610.77x = 251,235,162,326,477.19
  5. Step 5: Solve for x
    x = 251,235,162,326,477.19/18,240,610.77
  6. Step 6: Final answer
    x = 13,773,396.38

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Double scale
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1.5x scale

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.