Home / 12,976,977.95-19,469,728.38-5,307,073.35

Finding the Fourth Proportional to 12,976,977.95, 19,469,728.38 and 5,307,073.35

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Solution

The fourth proportional to 12,976,977.95, 19,469,728.38 and 5,307,073.35 is: 7,962,352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976,977.95 : 19,469,728.38 = 5,307,073.35 : x
  2. Step 2: Convert to fraction form
    12,976,977.95/19,469,728.38 = 5,307,073.35/x
  3. Step 3: Cross multiply
    12,976,977.95x = 19,469,728.38 × 5,307,073.35
  4. Step 4: Simplify right side
    12,976,977.95x = 103,327,276,617,236.66
  5. Step 5: Solve for x
    x = 103,327,276,617,236.66/12,976,977.95
  6. Step 6: Final answer
    x = 7,962,352.80

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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.