Home / 12,643,305.69-17,447,815.04-6,842,087.71

Finding the Fourth Proportional to 12,643,305.69, 17,447,815.04 and 6,842,087.71

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Solution

The fourth proportional to 12,643,305.69, 17,447,815.04 and 6,842,087.71 is: 9,442,109.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,305.69 : 17,447,815.04 = 6,842,087.71 : x
  2. Step 2: Convert to fraction form
    12,643,305.69/17,447,815.04 = 6,842,087.71/x
  3. Step 3: Cross multiply
    12,643,305.69x = 17,447,815.04 × 6,842,087.71
  4. Step 4: Simplify right side
    12,643,305.69x = 119,379,480,851,537.16
  5. Step 5: Solve for x
    x = 119,379,480,851,537.16/12,643,305.69
  6. Step 6: Final answer
    x = 9,442,109.82

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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.