Home / 13,290,398.84-19,936,231.32-6,458,832.92

Finding the Fourth Proportional to 13,290,398.84, 19,936,231.32 and 6,458,832.92

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Solution

The fourth proportional to 13,290,398.84, 19,936,231.32 and 6,458,832.92 is: 9,688,557.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290,398.84 : 19,936,231.32 = 6,458,832.92 : x
  2. Step 2: Convert to fraction form
    13,290,398.84/19,936,231.32 = 6,458,832.92/x
  3. Step 3: Cross multiply
    13,290,398.84x = 19,936,231.32 × 6,458,832.92
  4. Step 4: Simplify right side
    13,290,398.84x = 128,764,787,150,351.06
  5. Step 5: Solve for x
    x = 128,764,787,150,351.06/13,290,398.84
  6. Step 6: Final answer
    x = 9,688,557.03

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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.