Home / 15,048,785.39-20,766,628.77-8,522,461.55

Finding the Fourth Proportional to 15,048,785.39, 20,766,628.77 and 8,522,461.55

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Solution

The fourth proportional to 15,048,785.39, 20,766,628.77 and 8,522,461.55 is: 11,760,603.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,048,785.39 : 20,766,628.77 = 8,522,461.55 : x
  2. Step 2: Convert to fraction form
    15,048,785.39/20,766,628.77 = 8,522,461.55/x
  3. Step 3: Cross multiply
    15,048,785.39x = 20,766,628.77 × 8,522,461.55
  4. Step 4: Simplify right side
    15,048,785.39x = 176,982,795,111,615.66
  5. Step 5: Solve for x
    x = 176,982,795,111,615.66/15,048,785.39
  6. Step 6: Final answer
    x = 11,760,603.30

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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.