Home / 13,386,655.76-18,466,783.88-8,743,161.36

Finding the Fourth Proportional to 13,386,655.76, 18,466,783.88 and 8,743,161.36

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Solution

The fourth proportional to 13,386,655.76, 18,466,783.88 and 8,743,161.36 is: 12,061,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,386,655.76 : 18,466,783.88 = 8,743,161.36 : x
  2. Step 2: Convert to fraction form
    13,386,655.76/18,466,783.88 = 8,743,161.36/x
  3. Step 3: Cross multiply
    13,386,655.76x = 18,466,783.88 × 8,743,161.36
  4. Step 4: Simplify right side
    13,386,655.76x = 161,458,071,263,086.84
  5. Step 5: Solve for x
    x = 161,458,071,263,086.84/13,386,655.76
  6. Step 6: Final answer
    x = 12,061,120.73

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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.