Home / 33,131,172.60-49,667,210.10-12,931,716.60

Finding the Fourth Proportional to 33,131,172.60, 49,667,210.10 and 12,931,716.60

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Solution

The fourth proportional to 33,131,172.60, 49,667,210.10 and 12,931,716.60 is: 19,386,041.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,131,172.60 : 49,667,210.10 = 12,931,716.60 : x
  2. Step 2: Convert to fraction form
    33,131,172.60/49,667,210.10 = 12,931,716.60/x
  3. Step 3: Cross multiply
    33,131,172.60x = 49,667,210.10 × 12,931,716.60
  4. Step 4: Simplify right side
    33,131,172.60x = 642,282,285,325,857.62
  5. Step 5: Solve for x
    x = 642,282,285,325,857.62/33,131,172.60
  6. Step 6: Final answer
    x = 19,386,041.45

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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.