Home / 30,687,871.01-46,039,383.86-9,122,380.38

Finding the Fourth Proportional to 30,687,871.01, 46,039,383.86 and 9,122,380.38

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Solution

The fourth proportional to 30,687,871.01, 46,039,383.86 and 9,122,380.38 is: 13,685,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,687,871.01 : 46,039,383.86 = 9,122,380.38 : x
  2. Step 2: Convert to fraction form
    30,687,871.01/46,039,383.86 = 9,122,380.38/x
  3. Step 3: Cross multiply
    30,687,871.01x = 46,039,383.86 × 9,122,380.38
  4. Step 4: Simplify right side
    30,687,871.01x = 419,988,771,986,140.75
  5. Step 5: Solve for x
    x = 419,988,771,986,140.75/30,687,871.01
  6. Step 6: Final answer
    x = 13,685,823.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.