Home / 19,422,917.10-29,123,663.00-7,905,427.88

Finding the Fourth Proportional to 19,422,917.10, 29,123,663.00 and 7,905,427.88

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Solution

The fourth proportional to 19,422,917.10, 29,123,663.00 and 7,905,427.88 is: 11,853,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422,917.10 : 29,123,663.00 = 7,905,427.88 : x
  2. Step 2: Convert to fraction form
    19,422,917.10/29,123,663.00 = 7,905,427.88/x
  3. Step 3: Cross multiply
    19,422,917.10x = 29,123,663.00 × 7,905,427.88
  4. Step 4: Simplify right side
    19,422,917.10x = 230,235,017,262,779
  5. Step 5: Solve for x
    x = 230,235,017,262,779/19,422,917.10
  6. Step 6: Final answer
    x = 11,853,781.60

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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.