Home / 9,378,484.82-12,942,031.08-5,192,356.27

Finding the Fourth Proportional to 9,378,484.82, 12,942,031.08 and 5,192,356.27

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Solution

The fourth proportional to 9,378,484.82, 12,942,031.08 and 5,192,356.27 is: 7,165,297.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378,484.82 : 12,942,031.08 = 5,192,356.27 : x
  2. Step 2: Convert to fraction form
    9,378,484.82/12,942,031.08 = 5,192,356.27/x
  3. Step 3: Cross multiply
    9,378,484.82x = 12,942,031.08 × 5,192,356.27
  4. Step 4: Simplify right side
    9,378,484.82x = 67,199,636,237,753.76
  5. Step 5: Solve for x
    x = 67,199,636,237,753.76/9,378,484.82
  6. Step 6: Final answer
    x = 7,165,297.76

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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.