Home / 13,899,256.08-19,180,960.56-7,787,728.32

Finding the Fourth Proportional to 13,899,256.08, 19,180,960.56 and 7,787,728.32

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Solution

The fourth proportional to 13,899,256.08, 19,180,960.56 and 7,787,728.32 is: 10,747,057.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899,256.08 : 19,180,960.56 = 7,787,728.32 : x
  2. Step 2: Convert to fraction form
    13,899,256.08/19,180,960.56 = 7,787,728.32/x
  3. Step 3: Cross multiply
    13,899,256.08x = 19,180,960.56 × 7,787,728.32
  4. Step 4: Simplify right side
    13,899,256.08x = 149,376,109,757,915.06
  5. Step 5: Solve for x
    x = 149,376,109,757,915.06/13,899,256.08
  6. Step 6: Final answer
    x = 10,747,057.89

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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.