Home / 39,927,630.72-55,100,296.44-21,592,916.22

Finding the Fourth Proportional to 39,927,630.72, 55,100,296.44 and 21,592,916.22

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Solution

The fourth proportional to 39,927,630.72, 55,100,296.44 and 21,592,916.22 is: 29,798,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,927,630.72 : 55,100,296.44 = 21,592,916.22 : x
  2. Step 2: Convert to fraction form
    39,927,630.72/55,100,296.44 = 21,592,916.22/x
  3. Step 3: Cross multiply
    39,927,630.72x = 55,100,296.44 × 21,592,916.22
  4. Step 4: Simplify right side
    39,927,630.72x = 1,189,776,084,726,084.25
  5. Step 5: Solve for x
    x = 1,189,776,084,726,084.25/39,927,630.72
  6. Step 6: Final answer
    x = 29,798,314.18

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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.