Home / 11,555,106.90-15,946,046.67-6,398,468.43

Finding the Fourth Proportional to 11,555,106.90, 15,946,046.67 and 6,398,468.43

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Solution

The fourth proportional to 11,555,106.90, 15,946,046.67 and 6,398,468.43 is: 8,829,885.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555,106.90 : 15,946,046.67 = 6,398,468.43 : x
  2. Step 2: Convert to fraction form
    11,555,106.90/15,946,046.67 = 6,398,468.43/x
  3. Step 3: Cross multiply
    11,555,106.90x = 15,946,046.67 × 6,398,468.43
  4. Step 4: Simplify right side
    11,555,106.90x = 102,030,276,201,301.62
  5. Step 5: Solve for x
    x = 102,030,276,201,301.62/11,555,106.90
  6. Step 6: Final answer
    x = 8,829,885.96

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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.