Home / 12,042,265.78-16,617,720.54-7,147,701.46

Finding the Fourth Proportional to 12,042,265.78, 16,617,720.54 and 7,147,701.46

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Solution

The fourth proportional to 12,042,265.78, 16,617,720.54 and 7,147,701.46 is: 9,863,468.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042,265.78 : 16,617,720.54 = 7,147,701.46 : x
  2. Step 2: Convert to fraction form
    12,042,265.78/16,617,720.54 = 7,147,701.46/x
  3. Step 3: Cross multiply
    12,042,265.78x = 16,617,720.54 × 7,147,701.46
  4. Step 4: Simplify right side
    12,042,265.78x = 118,778,505,365,629.98
  5. Step 5: Solve for x
    x = 118,778,505,365,629.98/12,042,265.78
  6. Step 6: Final answer
    x = 9,863,468.18

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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.