Home / 15,879,403.20-23,819,104.80-9,160,939.20

Finding the Fourth Proportional to 15,879,403.20, 23,819,104.80 and 9,160,939.20

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Solution

The fourth proportional to 15,879,403.20, 23,819,104.80 and 9,160,939.20 is: 13,741,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,879,403.20 : 23,819,104.80 = 9,160,939.20 : x
  2. Step 2: Convert to fraction form
    15,879,403.20/23,819,104.80 = 9,160,939.20/x
  3. Step 3: Cross multiply
    15,879,403.20x = 23,819,104.80 × 9,160,939.20
  4. Step 4: Simplify right side
    15,879,403.20x = 218,205,370,871,228.16
  5. Step 5: Solve for x
    x = 218,205,370,871,228.16/15,879,403.20
  6. Step 6: Final answer
    x = 13,741,408.80

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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.