Home / 13,180,961.28-19,735,759.32-9,326,942.40

Finding the Fourth Proportional to 13,180,961.28, 19,735,759.32 and 9,326,942.40

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Solution

The fourth proportional to 13,180,961.28, 19,735,759.32 and 9,326,942.40 is: 13,965,164.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180,961.28 : 19,735,759.32 = 9,326,942.40 : x
  2. Step 2: Convert to fraction form
    13,180,961.28/19,735,759.32 = 9,326,942.40/x
  3. Step 3: Cross multiply
    13,180,961.28x = 19,735,759.32 × 9,326,942.40
  4. Step 4: Simplify right side
    13,180,961.28x = 184,074,290,397,903.19
  5. Step 5: Solve for x
    x = 184,074,290,397,903.19/13,180,961.28
  6. Step 6: Final answer
    x = 13,965,164.34

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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.