Home / 28,465,564.75-42,702,770.81-9,558,756.43

Finding the Fourth Proportional to 28,465,564.75, 42,702,770.81 and 9,558,756.43

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Solution

The fourth proportional to 28,465,564.75, 42,702,770.81 and 9,558,756.43 is: 14,339,620.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465,564.75 : 42,702,770.81 = 9,558,756.43 : x
  2. Step 2: Convert to fraction form
    28,465,564.75/42,702,770.81 = 9,558,756.43/x
  3. Step 3: Cross multiply
    28,465,564.75x = 42,702,770.81 × 9,558,756.43
  4. Step 4: Simplify right side
    28,465,564.75x = 408,185,385,011,110
  5. Step 5: Solve for x
    x = 408,185,385,011,110/28,465,564.75
  6. Step 6: Final answer
    x = 14,339,620.12

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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.