Home / 21,813,861.60-32,720,792.40-18,454,629.60

Finding the Fourth Proportional to 21,813,861.60, 32,720,792.40 and 18,454,629.60

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Solution

The fourth proportional to 21,813,861.60, 32,720,792.40 and 18,454,629.60 is: 27,681,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,813,861.60 : 32,720,792.40 = 18,454,629.60 : x
  2. Step 2: Convert to fraction form
    21,813,861.60/32,720,792.40 = 18,454,629.60/x
  3. Step 3: Cross multiply
    21,813,861.60x = 32,720,792.40 × 18,454,629.60
  4. Step 4: Simplify right side
    21,813,861.60x = 603,850,103,960,495
  5. Step 5: Solve for x
    x = 603,850,103,960,495/21,813,861.60
  6. Step 6: Final answer
    x = 27,681,944.40

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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.