Home / 30,576,082.15-42,203,268.09-18,028,082.17

Finding the Fourth Proportional to 30,576,082.15, 42,203,268.09 and 18,028,082.17

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Solution

The fourth proportional to 30,576,082.15, 42,203,268.09 and 18,028,082.17 is: 24,883,632.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,576,082.15 : 42,203,268.09 = 18,028,082.17 : x
  2. Step 2: Convert to fraction form
    30,576,082.15/42,203,268.09 = 18,028,082.17/x
  3. Step 3: Cross multiply
    30,576,082.15x = 42,203,268.09 × 18,028,082.17
  4. Step 4: Simplify right side
    30,576,082.15x = 760,843,984,758,042.62
  5. Step 5: Solve for x
    x = 760,843,984,758,042.62/30,576,082.15
  6. Step 6: Final answer
    x = 24,883,632.28

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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.