Home / 19,313,319.05-28,965,484.25-7,188,492.63

Finding the Fourth Proportional to 19,313,319.05, 28,965,484.25 and 7,188,492.63

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Solution

The fourth proportional to 19,313,319.05, 28,965,484.25 and 7,188,492.63 is: 10,781,066.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313,319.05 : 28,965,484.25 = 7,188,492.63 : x
  2. Step 2: Convert to fraction form
    19,313,319.05/28,965,484.25 = 7,188,492.63/x
  3. Step 3: Cross multiply
    19,313,319.05x = 28,965,484.25 × 7,188,492.63
  4. Step 4: Simplify right side
    19,313,319.05x = 208,218,170,019,563.62
  5. Step 5: Solve for x
    x = 208,218,170,019,563.62/19,313,319.05
  6. Step 6: Final answer
    x = 10,781,066.14

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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.