Home / 12,697,411.77-17,521,841.78-7,190,826.03

Finding the Fourth Proportional to 12,697,411.77, 17,521,841.78 and 7,190,826.03

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Solution

The fourth proportional to 12,697,411.77, 17,521,841.78 and 7,190,826.03 is: 9,923,007.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,697,411.77 : 17,521,841.78 = 7,190,826.03 : x
  2. Step 2: Convert to fraction form
    12,697,411.77/17,521,841.78 = 7,190,826.03/x
  3. Step 3: Cross multiply
    12,697,411.77x = 17,521,841.78 × 7,190,826.03
  4. Step 4: Simplify right side
    12,697,411.77x = 125,996,515,965,165.55
  5. Step 5: Solve for x
    x = 125,996,515,965,165.55/12,697,411.77
  6. Step 6: Final answer
    x = 9,923,007.79

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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.