Home / 12,363,309.69-18,547,642.49-3,726,687.64

Finding the Fourth Proportional to 12,363,309.69, 18,547,642.49 and 3,726,687.64

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Solution

The fourth proportional to 12,363,309.69, 18,547,642.49 and 3,726,687.64 is: 5,590,838.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363,309.69 : 18,547,642.49 = 3,726,687.64 : x
  2. Step 2: Convert to fraction form
    12,363,309.69/18,547,642.49 = 3,726,687.64/x
  3. Step 3: Cross multiply
    12,363,309.69x = 18,547,642.49 × 3,726,687.64
  4. Step 4: Simplify right side
    12,363,309.69x = 69,121,270,009,358.73
  5. Step 5: Solve for x
    x = 69,121,270,009,358.73/12,363,309.69
  6. Step 6: Final answer
    x = 5,590,838.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.