Home / 22,378,802.72-30,882,702.40-12,589,253.76

Finding the Fourth Proportional to 22,378,802.72, 30,882,702.40 and 12,589,253.76

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Solution

The fourth proportional to 22,378,802.72, 30,882,702.40 and 12,589,253.76 is: 17,373,144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,378,802.72 : 30,882,702.40 = 12,589,253.76 : x
  2. Step 2: Convert to fraction form
    22,378,802.72/30,882,702.40 = 12,589,253.76/x
  3. Step 3: Cross multiply
    22,378,802.72x = 30,882,702.40 × 12,589,253.76
  4. Step 4: Simplify right side
    22,378,802.72x = 388,790,177,308,161
  5. Step 5: Solve for x
    x = 388,790,177,308,161/22,378,802.72
  6. Step 6: Final answer
    x = 17,373,144.68

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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.