Home / 30,448,837.76-42,019,351.12-16,510,167.54

Finding the Fourth Proportional to 30,448,837.76, 42,019,351.12 and 16,510,167.54

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Solution

The fourth proportional to 30,448,837.76, 42,019,351.12 and 16,510,167.54 is: 22,784,006.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,448,837.76 : 42,019,351.12 = 16,510,167.54 : x
  2. Step 2: Convert to fraction form
    30,448,837.76/42,019,351.12 = 16,510,167.54/x
  3. Step 3: Cross multiply
    30,448,837.76x = 42,019,351.12 × 16,510,167.54
  4. Step 4: Simplify right side
    30,448,837.76x = 693,746,526,913,286.62
  5. Step 5: Solve for x
    x = 693,746,526,913,286.62/30,448,837.76
  6. Step 6: Final answer
    x = 22,784,006.81

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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.