Home / 28,188,200.70-42,282,301.05-9,019,583.10

Finding the Fourth Proportional to 28,188,200.70, 42,282,301.05 and 9,019,583.10

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Solution

The fourth proportional to 28,188,200.70, 42,282,301.05 and 9,019,583.10 is: 13,529,374.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,188,200.70 : 42,282,301.05 = 9,019,583.10 : x
  2. Step 2: Convert to fraction form
    28,188,200.70/42,282,301.05 = 9,019,583.10/x
  3. Step 3: Cross multiply
    28,188,200.70x = 42,282,301.05 × 9,019,583.10
  4. Step 4: Simplify right side
    28,188,200.70x = 381,368,727,979,692.19
  5. Step 5: Solve for x
    x = 381,368,727,979,692.19/28,188,200.70
  6. Step 6: Final answer
    x = 13,529,374.65

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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.