Home / 13,691,148.72-18,893,067.32-7,495,008.36

Finding the Fourth Proportional to 13,691,148.72, 18,893,067.32 and 7,495,008.36

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Solution

The fourth proportional to 13,691,148.72, 18,893,067.32 and 7,495,008.36 is: 10,342,718.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,691,148.72 : 18,893,067.32 = 7,495,008.36 : x
  2. Step 2: Convert to fraction form
    13,691,148.72/18,893,067.32 = 7,495,008.36/x
  3. Step 3: Cross multiply
    13,691,148.72x = 18,893,067.32 × 7,495,008.36
  4. Step 4: Simplify right side
    13,691,148.72x = 141,603,697,528,180.34
  5. Step 5: Solve for x
    x = 141,603,697,528,180.34/13,691,148.72
  6. Step 6: Final answer
    x = 10,342,718.53

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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.