Home / 21,167,690.18-31,745,393.30-8,871,332.22

Finding the Fourth Proportional to 21,167,690.18, 31,745,393.30 and 8,871,332.22

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Solution

The fourth proportional to 21,167,690.18, 31,745,393.30 and 8,871,332.22 is: 13,304,424.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167,690.18 : 31,745,393.30 = 8,871,332.22 : x
  2. Step 2: Convert to fraction form
    21,167,690.18/31,745,393.30 = 8,871,332.22/x
  3. Step 3: Cross multiply
    21,167,690.18x = 31,745,393.30 × 8,871,332.22
  4. Step 4: Simplify right side
    21,167,690.18x = 281,623,930,441,040.44
  5. Step 5: Solve for x
    x = 281,623,930,441,040.44/21,167,690.18
  6. Step 6: Final answer
    x = 13,304,424.25

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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.