Home / 20,712,513.84-31,070,016.66-6,335,706.18

Finding the Fourth Proportional to 20,712,513.84, 31,070,016.66 and 6,335,706.18

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Solution

The fourth proportional to 20,712,513.84, 31,070,016.66 and 6,335,706.18 is: 9,503,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,712,513.84 : 31,070,016.66 = 6,335,706.18 : x
  2. Step 2: Convert to fraction form
    20,712,513.84/31,070,016.66 = 6,335,706.18/x
  3. Step 3: Cross multiply
    20,712,513.84x = 31,070,016.66 × 6,335,706.18
  4. Step 4: Simplify right side
    20,712,513.84x = 196,850,496,565,464.94
  5. Step 5: Solve for x
    x = 196,850,496,565,464.94/20,712,513.84
  6. Step 6: Final answer
    x = 9,503,940.38

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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.