Home / 20,288,368.98-30,442,533.48-9,503,805.42

Finding the Fourth Proportional to 20,288,368.98, 30,442,533.48 and 9,503,805.42

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Solution

The fourth proportional to 20,288,368.98, 30,442,533.48 and 9,503,805.42 is: 14,260,383.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,288,368.98 : 30,442,533.48 = 9,503,805.42 : x
  2. Step 2: Convert to fraction form
    20,288,368.98/30,442,533.48 = 9,503,805.42/x
  3. Step 3: Cross multiply
    20,288,368.98x = 30,442,533.48 × 9,503,805.42
  4. Step 4: Simplify right side
    20,288,368.98x = 289,319,914,685,755.44
  5. Step 5: Solve for x
    x = 289,319,914,685,755.44/20,288,368.98
  6. Step 6: Final answer
    x = 14,260,383.13

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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.