Home / 12,740,078.85-17,583,305.61-7,513,661.48

Finding the Fourth Proportional to 12,740,078.85, 17,583,305.61 and 7,513,661.48

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Solution

The fourth proportional to 12,740,078.85, 17,583,305.61 and 7,513,661.48 is: 10,370,030.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,740,078.85 : 17,583,305.61 = 7,513,661.48 : x
  2. Step 2: Convert to fraction form
    12,740,078.85/17,583,305.61 = 7,513,661.48/x
  3. Step 3: Cross multiply
    12,740,078.85x = 17,583,305.61 × 7,513,661.48
  4. Step 4: Simplify right side
    12,740,078.85x = 132,115,005,965,008.36
  5. Step 5: Solve for x
    x = 132,115,005,965,008.36/12,740,078.85
  6. Step 6: Final answer
    x = 10,370,030.48

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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.