Home / 30,215,742.82-45,323,557.68-9,467,769.30

Finding the Fourth Proportional to 30,215,742.82, 45,323,557.68 and 9,467,769.30

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Solution

The fourth proportional to 30,215,742.82, 45,323,557.68 and 9,467,769.30 is: 14,201,636.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,215,742.82 : 45,323,557.68 = 9,467,769.30 : x
  2. Step 2: Convert to fraction form
    30,215,742.82/45,323,557.68 = 9,467,769.30/x
  3. Step 3: Cross multiply
    30,215,742.82x = 45,323,557.68 × 9,467,769.30
  4. Step 4: Simplify right side
    30,215,742.82x = 429,112,987,835,024.06
  5. Step 5: Solve for x
    x = 429,112,987,835,024.06/30,215,742.82
  6. Step 6: Final answer
    x = 14,201,636.23

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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.