Home / 12,643,943.52-17,448,664.08-6,842,730

Finding the Fourth Proportional to 12,643,943.52, 17,448,664.08 and 6,842,730

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Solution

The fourth proportional to 12,643,943.52, 17,448,664.08 and 6,842,730 is: 9,442,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,943.52 : 17,448,664.08 = 6,842,730 : x
  2. Step 2: Convert to fraction form
    12,643,943.52/17,448,664.08 = 6,842,730/x
  3. Step 3: Cross multiply
    12,643,943.52x = 17,448,664.08 × 6,842,730
  4. Step 4: Simplify right side
    12,643,943.52x = 119,396,497,160,138.39
  5. Step 5: Solve for x
    x = 119,396,497,160,138.39/12,643,943.52
  6. Step 6: Final answer
    x = 9,442,979.32

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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.