Home / 28,153,821.80-42,215,337.62-22,355,255.74

Finding the Fourth Proportional to 28,153,821.80, 42,215,337.62 and 22,355,255.74

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Solution

The fourth proportional to 28,153,821.80, 42,215,337.62 and 22,355,255.74 is: 33,520,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,153,821.80 : 42,215,337.62 = 22,355,255.74 : x
  2. Step 2: Convert to fraction form
    28,153,821.80/42,215,337.62 = 22,355,255.74/x
  3. Step 3: Cross multiply
    28,153,821.80x = 42,215,337.62 × 22,355,255.74
  4. Step 4: Simplify right side
    28,153,821.80x = 943,734,668,645,542.75
  5. Step 5: Solve for x
    x = 943,734,668,645,542.75/28,153,821.80
  6. Step 6: Final answer
    x = 33,520,659.30

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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.