Home / 20,586,565.18-30,879,919.92-5,233,856.50

Finding the Fourth Proportional to 20,586,565.18, 30,879,919.92 and 5,233,856.50

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Solution

The fourth proportional to 20,586,565.18, 30,879,919.92 and 5,233,856.50 is: 7,850,803.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,586,565.18 : 30,879,919.92 = 5,233,856.50 : x
  2. Step 2: Convert to fraction form
    20,586,565.18/30,879,919.92 = 5,233,856.50/x
  3. Step 3: Cross multiply
    20,586,565.18x = 30,879,919.92 × 5,233,856.50
  4. Step 4: Simplify right side
    20,586,565.18x = 161,621,069,592,771.50
  5. Step 5: Solve for x
    x = 161,621,069,592,771.50/20,586,565.18
  6. Step 6: Final answer
    x = 7,850,803.09

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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.