Home / 20,830,347.58-31,247,018.10-7,183,297.64

Finding the Fourth Proportional to 20,830,347.58, 31,247,018.10 and 7,183,297.64

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Solution

The fourth proportional to 20,830,347.58, 31,247,018.10 and 7,183,297.64 is: 10,775,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,830,347.58 : 31,247,018.10 = 7,183,297.64 : x
  2. Step 2: Convert to fraction form
    20,830,347.58/31,247,018.10 = 7,183,297.64/x
  3. Step 3: Cross multiply
    20,830,347.58x = 31,247,018.10 × 7,183,297.64
  4. Step 4: Simplify right side
    20,830,347.58x = 224,456,631,374,767.28
  5. Step 5: Solve for x
    x = 224,456,631,374,767.28/20,830,347.58
  6. Step 6: Final answer
    x = 10,775,462.60

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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.