Home / 14,650,329.69-20,216,465.82-8,455,637.61

Finding the Fourth Proportional to 14,650,329.69, 20,216,465.82 and 8,455,637.61

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Solution

The fourth proportional to 14,650,329.69, 20,216,465.82 and 8,455,637.61 is: 11,668,209.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650,329.69 : 20,216,465.82 = 8,455,637.61 : x
  2. Step 2: Convert to fraction form
    14,650,329.69/20,216,465.82 = 8,455,637.61/x
  3. Step 3: Cross multiply
    14,650,329.69x = 20,216,465.82 × 8,455,637.61
  4. Step 4: Simplify right side
    14,650,329.69x = 170,943,108,728,871.47
  5. Step 5: Solve for x
    x = 170,943,108,728,871.47/14,650,329.69
  6. Step 6: Final answer
    x = 11,668,209.00

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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.