Home / 21,694,152-32,550,352.70-13,503,641.43

Finding the Fourth Proportional to 21,694,152, 32,550,352.70 and 13,503,641.43

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Solution

The fourth proportional to 21,694,152, 32,550,352.70 and 13,503,641.43 is: 20,261,141.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,694,152 : 32,550,352.70 = 13,503,641.43 : x
  2. Step 2: Convert to fraction form
    21,694,152/32,550,352.70 = 13,503,641.43/x
  3. Step 3: Cross multiply
    21,694,152x = 32,550,352.70 × 13,503,641.43
  4. Step 4: Simplify right side
    21,694,152x = 439,548,291,213,314.12
  5. Step 5: Solve for x
    x = 439,548,291,213,314.12/21,694,152
  6. Step 6: Final answer
    x = 20,261,141.86

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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.