Home / 29,735,585.70-40,958,651.57-21,018,772.32

Finding the Fourth Proportional to 29,735,585.70, 40,958,651.57 and 21,018,772.32

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Solution

The fourth proportional to 29,735,585.70, 40,958,651.57 and 21,018,772.32 is: 28,951,861.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,735,585.70 : 40,958,651.57 = 21,018,772.32 : x
  2. Step 2: Convert to fraction form
    29,735,585.70/40,958,651.57 = 21,018,772.32/x
  3. Step 3: Cross multiply
    29,735,585.70x = 40,958,651.57 × 21,018,772.32
  4. Step 4: Simplify right side
    29,735,585.70x = 860,900,571,625,351.75
  5. Step 5: Solve for x
    x = 860,900,571,625,351.75/29,735,585.70
  6. Step 6: Final answer
    x = 28,951,861.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.