Home / 20,996,054.50-31,494,081.75-5,039,702.50

Finding the Fourth Proportional to 20,996,054.50, 31,494,081.75 and 5,039,702.50

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Solution

The fourth proportional to 20,996,054.50, 31,494,081.75 and 5,039,702.50 is: 7,559,553.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,996,054.50 : 31,494,081.75 = 5,039,702.50 : x
  2. Step 2: Convert to fraction form
    20,996,054.50/31,494,081.75 = 5,039,702.50/x
  3. Step 3: Cross multiply
    20,996,054.50x = 31,494,081.75 × 5,039,702.50
  4. Step 4: Simplify right side
    20,996,054.50x = 158,720,802,530,679.38
  5. Step 5: Solve for x
    x = 158,720,802,530,679.38/20,996,054.50
  6. Step 6: Final answer
    x = 7,559,553.75

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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.