Home / 37,141,495.57-51,256,864.70-20,621,622.39

Finding the Fourth Proportional to 37,141,495.57, 51,256,864.70 and 20,621,622.39

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Solution

The fourth proportional to 37,141,495.57, 51,256,864.70 and 20,621,622.39 is: 28,458,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,141,495.57 : 51,256,864.70 = 20,621,622.39 : x
  2. Step 2: Convert to fraction form
    37,141,495.57/51,256,864.70 = 20,621,622.39/x
  3. Step 3: Cross multiply
    37,141,495.57x = 51,256,864.70 × 20,621,622.39
  4. Step 4: Simplify right side
    37,141,495.57x = 1,056,999,708,738,720.75
  5. Step 5: Solve for x
    x = 1,056,999,708,738,720.75/37,141,495.57
  6. Step 6: Final answer
    x = 28,458,727.70

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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.