Home / 12,756,662.72-17,606,214.05-7,603,013.64

Finding the Fourth Proportional to 12,756,662.72, 17,606,214.05 and 7,603,013.64

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Solution

The fourth proportional to 12,756,662.72, 17,606,214.05 and 7,603,013.64 is: 10,493,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756,662.72 : 17,606,214.05 = 7,603,013.64 : x
  2. Step 2: Convert to fraction form
    12,756,662.72/17,606,214.05 = 7,603,013.64/x
  3. Step 3: Cross multiply
    12,756,662.72x = 17,606,214.05 × 7,603,013.64
  4. Step 4: Simplify right side
    12,756,662.72x = 133,860,285,532,894.58
  5. Step 5: Solve for x
    x = 133,860,285,532,894.58/12,756,662.72
  6. Step 6: Final answer
    x = 10,493,362.45

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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.