Home / 28,153,818.80-42,215,333.13-22,355,252.74

Finding the Fourth Proportional to 28,153,818.80, 42,215,333.13 and 22,355,252.74

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Solution

The fourth proportional to 28,153,818.80, 42,215,333.13 and 22,355,252.74 is: 33,520,654.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,153,818.80 : 42,215,333.13 = 22,355,252.74 : x
  2. Step 2: Convert to fraction form
    28,153,818.80/42,215,333.13 = 22,355,252.74/x
  3. Step 3: Cross multiply
    28,153,818.80x = 42,215,333.13 × 22,355,252.74
  4. Step 4: Simplify right side
    28,153,818.80x = 943,734,441,624,445.25
  5. Step 5: Solve for x
    x = 943,734,441,624,445.25/28,153,818.80
  6. Step 6: Final answer
    x = 33,520,654.81

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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.