Home / 8,528,609.76-12,850,455.92-7,045,517.60

Finding the Fourth Proportional to 8,528,609.76, 12,850,455.92 and 7,045,517.60

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Solution

The fourth proportional to 8,528,609.76, 12,850,455.92 and 7,045,517.60 is: 10,615,811.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528,609.76 : 12,850,455.92 = 7,045,517.60 : x
  2. Step 2: Convert to fraction form
    8,528,609.76/12,850,455.92 = 7,045,517.60/x
  3. Step 3: Cross multiply
    8,528,609.76x = 12,850,455.92 × 7,045,517.60
  4. Step 4: Simplify right side
    8,528,609.76x = 90,538,113,352,384.19
  5. Step 5: Solve for x
    x = 90,538,113,352,384.19/8,528,609.76
  6. Step 6: Final answer
    x = 10,615,811.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.