Home / 47,387,029.56-71,026,809.66-21,775,116.36

Finding the Fourth Proportional to 47,387,029.56, 71,026,809.66 and 21,775,116.36

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Solution

The fourth proportional to 47,387,029.56, 71,026,809.66 and 21,775,116.36 is: 32,637,982.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,387,029.56 : 71,026,809.66 = 21,775,116.36 : x
  2. Step 2: Convert to fraction form
    47,387,029.56/71,026,809.66 = 21,775,116.36/x
  3. Step 3: Cross multiply
    47,387,029.56x = 71,026,809.66 × 21,775,116.36
  4. Step 4: Simplify right side
    47,387,029.56x = 1,546,617,045,026,072
  5. Step 5: Solve for x
    x = 1,546,617,045,026,072/47,387,029.56
  6. Step 6: Final answer
    x = 32,637,982.57

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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.