Home / 18,472,003.40-27,708,638.70-5,692,406.60

Finding the Fourth Proportional to 18,472,003.40, 27,708,638.70 and 5,692,406.60

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Solution

The fourth proportional to 18,472,003.40, 27,708,638.70 and 5,692,406.60 is: 8,538,805.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472,003.40 : 27,708,638.70 = 5,692,406.60 : x
  2. Step 2: Convert to fraction form
    18,472,003.40/27,708,638.70 = 5,692,406.60/x
  3. Step 3: Cross multiply
    18,472,003.40x = 27,708,638.70 × 5,692,406.60
  4. Step 4: Simplify right side
    18,472,003.40x = 157,728,837,812,895.41
  5. Step 5: Solve for x
    x = 157,728,837,812,895.41/18,472,003.40
  6. Step 6: Final answer
    x = 8,538,805.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.