Home / 21,033,095.45-31,553,733.55-8,078,298.44

Finding the Fourth Proportional to 21,033,095.45, 31,553,733.55 and 8,078,298.44

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Solution

The fourth proportional to 21,033,095.45, 31,553,733.55 and 8,078,298.44 is: 12,119,018.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033,095.45 : 31,553,733.55 = 8,078,298.44 : x
  2. Step 2: Convert to fraction form
    21,033,095.45/31,553,733.55 = 8,078,298.44/x
  3. Step 3: Cross multiply
    21,033,095.45x = 31,553,733.55 × 8,078,298.44
  4. Step 4: Simplify right side
    21,033,095.45x = 254,900,476,439,067.94
  5. Step 5: Solve for x
    x = 254,900,476,439,067.94/21,033,095.45
  6. Step 6: Final answer
    x = 12,119,018.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.