Home / 16,181,678.82-22,331,395.62-9,306,166.32

Finding the Fourth Proportional to 16,181,678.82, 22,331,395.62 and 9,306,166.32

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Solution

The fourth proportional to 16,181,678.82, 22,331,395.62 and 9,306,166.32 is: 12,842,899.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,181,678.82 : 22,331,395.62 = 9,306,166.32 : x
  2. Step 2: Convert to fraction form
    16,181,678.82/22,331,395.62 = 9,306,166.32/x
  3. Step 3: Cross multiply
    16,181,678.82x = 22,331,395.62 × 9,306,166.32
  4. Step 4: Simplify right side
    16,181,678.82x = 207,819,681,797,439.53
  5. Step 5: Solve for x
    x = 207,819,681,797,439.53/16,181,678.82
  6. Step 6: Final answer
    x = 12,842,899.93

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1.5x scale

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.