Home / 20,804,003.70-31,206,005.55-19,544,291.70

Finding the Fourth Proportional to 20,804,003.70, 31,206,005.55 and 19,544,291.70

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Solution

The fourth proportional to 20,804,003.70, 31,206,005.55 and 19,544,291.70 is: 29,316,437.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804,003.70 : 31,206,005.55 = 19,544,291.70 : x
  2. Step 2: Convert to fraction form
    20,804,003.70/31,206,005.55 = 19,544,291.70/x
  3. Step 3: Cross multiply
    20,804,003.70x = 31,206,005.55 × 19,544,291.70
  4. Step 4: Simplify right side
    20,804,003.70x = 609,899,275,261,018.88
  5. Step 5: Solve for x
    x = 609,899,275,261,018.88/20,804,003.70
  6. Step 6: Final answer
    x = 29,316,437.55

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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.