Home / 20,157,466.50-27,819,665.36-11,456,946.95

Finding the Fourth Proportional to 20,157,466.50, 27,819,665.36 and 11,456,946.95

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Solution

The fourth proportional to 20,157,466.50, 27,819,665.36 and 11,456,946.95 is: 15,811,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157,466.50 : 27,819,665.36 = 11,456,946.95 : x
  2. Step 2: Convert to fraction form
    20,157,466.50/27,819,665.36 = 11,456,946.95/x
  3. Step 3: Cross multiply
    20,157,466.50x = 27,819,665.36 × 11,456,946.95
  4. Step 4: Simplify right side
    20,157,466.50x = 318,728,430,196,272.62
  5. Step 5: Solve for x
    x = 318,728,430,196,272.62/20,157,466.50
  6. Step 6: Final answer
    x = 15,811,929.05

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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.