Home / 22,470,188.22-31,030,275.78-21,246,029.55

Finding the Fourth Proportional to 22,470,188.22, 31,030,275.78 and 21,246,029.55

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Solution

The fourth proportional to 22,470,188.22, 31,030,275.78 and 21,246,029.55 is: 29,339,770.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,470,188.22 : 31,030,275.78 = 21,246,029.55 : x
  2. Step 2: Convert to fraction form
    22,470,188.22/31,030,275.78 = 21,246,029.55/x
  3. Step 3: Cross multiply
    22,470,188.22x = 31,030,275.78 × 21,246,029.55
  4. Step 4: Simplify right side
    22,470,188.22x = 659,270,156,166,529.38
  5. Step 5: Solve for x
    x = 659,270,156,166,529.38/22,470,188.22
  6. Step 6: Final answer
    x = 29,339,770.09

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Double scale
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1.5x scale

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.