Home / 47,826,987.69-65,984,790.29-28,994,643.21

Finding the Fourth Proportional to 47,826,987.69, 65,984,790.29 and 28,994,643.21

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Solution

The fourth proportional to 47,826,987.69, 65,984,790.29 and 28,994,643.21 is: 40,002,633.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,826,987.69 : 65,984,790.29 = 28,994,643.21 : x
  2. Step 2: Convert to fraction form
    47,826,987.69/65,984,790.29 = 28,994,643.21/x
  3. Step 3: Cross multiply
    47,826,987.69x = 65,984,790.29 × 28,994,643.21
  4. Step 4: Simplify right side
    47,826,987.69x = 1,913,205,451,639,469.75
  5. Step 5: Solve for x
    x = 1,913,205,451,639,469.75/47,826,987.69
  6. Step 6: Final answer
    x = 40,002,633.33

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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.