Home / 19,670,143.82-29,508,765.95-8,892,520.34

Finding the Fourth Proportional to 19,670,143.82, 29,508,765.95 and 8,892,520.34

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Solution

The fourth proportional to 19,670,143.82, 29,508,765.95 and 8,892,520.34 is: 13,340,385.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670,143.82 : 29,508,765.95 = 8,892,520.34 : x
  2. Step 2: Convert to fraction form
    19,670,143.82/29,508,765.95 = 8,892,520.34/x
  3. Step 3: Cross multiply
    19,670,143.82x = 29,508,765.95 × 8,892,520.34
  4. Step 4: Simplify right side
    19,670,143.82x = 262,407,301,293,361.94
  5. Step 5: Solve for x
    x = 262,407,301,293,361.94/19,670,143.82
  6. Step 6: Final answer
    x = 13,340,385.50

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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.