Home / 28,257,639.89-42,359,555.48-9,074,944.85

Finding the Fourth Proportional to 28,257,639.89, 42,359,555.48 and 9,074,944.85

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Solution

The fourth proportional to 28,257,639.89, 42,359,555.48 and 9,074,944.85 is: 13,603,776.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,257,639.89 : 42,359,555.48 = 9,074,944.85 : x
  2. Step 2: Convert to fraction form
    28,257,639.89/42,359,555.48 = 9,074,944.85/x
  3. Step 3: Cross multiply
    28,257,639.89x = 42,359,555.48 × 9,074,944.85
  4. Step 4: Simplify right side
    28,257,639.89x = 384,410,629,594,342.81
  5. Step 5: Solve for x
    x = 384,410,629,594,342.81/28,257,639.89
  6. Step 6: Final answer
    x = 13,603,776.93

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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.