Home / 14,007,877.25-20,968,720.42-9,139,701.36

Finding the Fourth Proportional to 14,007,877.25, 20,968,720.42 and 9,139,701.36

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Solution

The fourth proportional to 14,007,877.25, 20,968,720.42 and 9,139,701.36 is: 13,681,433.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007,877.25 : 20,968,720.42 = 9,139,701.36 : x
  2. Step 2: Convert to fraction form
    14,007,877.25/20,968,720.42 = 9,139,701.36/x
  3. Step 3: Cross multiply
    14,007,877.25x = 20,968,720.42 × 9,139,701.36
  4. Step 4: Simplify right side
    14,007,877.25x = 191,647,842,591,878.81
  5. Step 5: Solve for x
    x = 191,647,842,591,878.81/14,007,877.25
  6. Step 6: Final answer
    x = 13,681,433.61

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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.