Home / 12,643,930.94-17,448,669.15-6,842,710.94

Finding the Fourth Proportional to 12,643,930.94, 17,448,669.15 and 6,842,710.94

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Solution

The fourth proportional to 12,643,930.94, 17,448,669.15 and 6,842,710.94 is: 9,442,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,930.94 : 17,448,669.15 = 6,842,710.94 : x
  2. Step 2: Convert to fraction form
    12,643,930.94/17,448,669.15 = 6,842,710.94/x
  3. Step 3: Cross multiply
    12,643,930.94x = 17,448,669.15 × 6,842,710.94
  4. Step 4: Simplify right side
    12,643,930.94x = 119,396,199,281,145.50
  5. Step 5: Solve for x
    x = 119,396,199,281,145.50/12,643,930.94
  6. Step 6: Final answer
    x = 9,442,965.15

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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.