Home / 30,872,638.12-46,315,644.54-9,305,435.56

Finding the Fourth Proportional to 30,872,638.12, 46,315,644.54 and 9,305,435.56

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Solution

The fourth proportional to 30,872,638.12, 46,315,644.54 and 9,305,435.56 is: 13,960,169.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,872,638.12 : 46,315,644.54 = 9,305,435.56 : x
  2. Step 2: Convert to fraction form
    30,872,638.12/46,315,644.54 = 9,305,435.56/x
  3. Step 3: Cross multiply
    30,872,638.12x = 46,315,644.54 × 9,305,435.56
  4. Step 4: Simplify right side
    30,872,638.12x = 430,987,245,686,835.88
  5. Step 5: Solve for x
    x = 430,987,245,686,835.88/30,872,638.12
  6. Step 6: Final answer
    x = 13,960,169.00

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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.