Home / 21,058,998-31,588,501.32-7,595,824.56

Finding the Fourth Proportional to 21,058,998, 31,588,501.32 and 7,595,824.56

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Solution

The fourth proportional to 21,058,998, 31,588,501.32 and 7,595,824.56 is: 11,393,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058,998 : 31,588,501.32 = 7,595,824.56 : x
  2. Step 2: Convert to fraction form
    21,058,998/31,588,501.32 = 7,595,824.56/x
  3. Step 3: Cross multiply
    21,058,998x = 31,588,501.32 × 7,595,824.56
  4. Step 4: Simplify right side
    21,058,998x = 239,940,714,140,048.41
  5. Step 5: Solve for x
    x = 239,940,714,140,048.41/21,058,998
  6. Step 6: Final answer
    x = 11,393,738.40

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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.