Home / 20,459,627.28-28,244,913.30-14,946,812.64

Finding the Fourth Proportional to 20,459,627.28, 28,244,913.30 and 14,946,812.64

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Solution

The fourth proportional to 20,459,627.28, 28,244,913.30 and 14,946,812.64 is: 20,634,365.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,459,627.28 : 28,244,913.30 = 14,946,812.64 : x
  2. Step 2: Convert to fraction form
    20,459,627.28/28,244,913.30 = 14,946,812.64/x
  3. Step 3: Cross multiply
    20,459,627.28x = 28,244,913.30 × 14,946,812.64
  4. Step 4: Simplify right side
    20,459,627.28x = 422,171,427,128,144.12
  5. Step 5: Solve for x
    x = 422,171,427,128,144.12/20,459,627.28
  6. Step 6: Final answer
    x = 20,634,365.49

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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.