Home / 33,143,690.40-49,695,260.40-12,925,629.60

Finding the Fourth Proportional to 33,143,690.40, 49,695,260.40 and 12,925,629.60

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Solution

The fourth proportional to 33,143,690.40, 49,695,260.40 and 12,925,629.60 is: 19,380,537.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,143,690.40 : 49,695,260.40 = 12,925,629.60 : x
  2. Step 2: Convert to fraction form
    33,143,690.40/49,695,260.40 = 12,925,629.60/x
  3. Step 3: Cross multiply
    33,143,690.40x = 49,695,260.40 × 12,925,629.60
  4. Step 4: Simplify right side
    33,143,690.40x = 642,342,528,805,947.75
  5. Step 5: Solve for x
    x = 642,342,528,805,947.75/33,143,690.40
  6. Step 6: Final answer
    x = 19,380,537.32

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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.