Home / 14,936,646.60-20,617,142.76-8,743,143.60

Finding the Fourth Proportional to 14,936,646.60, 20,617,142.76 and 8,743,143.60

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Solution

The fourth proportional to 14,936,646.60, 20,617,142.76 and 8,743,143.60 is: 12,068,213.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,936,646.60 : 20,617,142.76 = 8,743,143.60 : x
  2. Step 2: Convert to fraction form
    14,936,646.60/20,617,142.76 = 8,743,143.60/x
  3. Step 3: Cross multiply
    14,936,646.60x = 20,617,142.76 × 8,743,143.60
  4. Step 4: Simplify right side
    14,936,646.60x = 180,258,639,772,380.34
  5. Step 5: Solve for x
    x = 180,258,639,772,380.34/14,936,646.60
  6. Step 6: Final answer
    x = 12,068,213.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.