Home / 28,188,233.70-42,282,350.55-9,019,616.10

Finding the Fourth Proportional to 28,188,233.70, 42,282,350.55 and 9,019,616.10

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Solution

The fourth proportional to 28,188,233.70, 42,282,350.55 and 9,019,616.10 is: 13,529,424.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,188,233.70 : 42,282,350.55 = 9,019,616.10 : x
  2. Step 2: Convert to fraction form
    28,188,233.70/42,282,350.55 = 9,019,616.10/x
  3. Step 3: Cross multiply
    28,188,233.70x = 42,282,350.55 × 9,019,616.10
  4. Step 4: Simplify right side
    28,188,233.70x = 381,370,569,766,623.81
  5. Step 5: Solve for x
    x = 381,370,569,766,623.81/28,188,233.70
  6. Step 6: Final answer
    x = 13,529,424.15

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1.5x scale

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.