Home / 11,555,402.81-15,946,466.06-6,398,653.64

Finding the Fourth Proportional to 11,555,402.81, 15,946,466.06 and 6,398,653.64

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Solution

The fourth proportional to 11,555,402.81, 15,946,466.06 and 6,398,653.64 is: 8,830,147.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555,402.81 : 15,946,466.06 = 6,398,653.64 : x
  2. Step 2: Convert to fraction form
    11,555,402.81/15,946,466.06 = 6,398,653.64/x
  3. Step 3: Cross multiply
    11,555,402.81x = 15,946,466.06 × 6,398,653.64
  4. Step 4: Simplify right side
    11,555,402.81x = 102,035,912,988,229.86
  5. Step 5: Solve for x
    x = 102,035,912,988,229.86/11,555,402.81
  6. Step 6: Final answer
    x = 8,830,147.66

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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.