Home / 20,459,996.28-28,234,363.32-11,167,258.32

Finding the Fourth Proportional to 20,459,996.28, 28,234,363.32 and 11,167,258.32

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Solution

The fourth proportional to 20,459,996.28, 28,234,363.32 and 11,167,258.32 is: 15,410,580.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,459,996.28 : 28,234,363.32 = 11,167,258.32 : x
  2. Step 2: Convert to fraction form
    20,459,996.28/28,234,363.32 = 11,167,258.32/x
  3. Step 3: Cross multiply
    20,459,996.28x = 28,234,363.32 × 11,167,258.32
  4. Step 4: Simplify right side
    20,459,996.28x = 315,300,428,695,172.81
  5. Step 5: Solve for x
    x = 315,300,428,695,172.81/20,459,996.28
  6. Step 6: Final answer
    x = 15,410,580.94

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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.