Home / 42,438,879.36-63,683,020.80-17,845,027.56

Finding the Fourth Proportional to 42,438,879.36, 63,683,020.80 and 17,845,027.56

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Solution

The fourth proportional to 42,438,879.36, 63,683,020.80 and 17,845,027.56 is: 26,777,928.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,438,879.36 : 63,683,020.80 = 17,845,027.56 : x
  2. Step 2: Convert to fraction form
    42,438,879.36/63,683,020.80 = 17,845,027.56/x
  3. Step 3: Cross multiply
    42,438,879.36x = 63,683,020.80 × 17,845,027.56
  4. Step 4: Simplify right side
    42,438,879.36x = 1,136,425,261,280,053
  5. Step 5: Solve for x
    x = 1,136,425,261,280,053/42,438,879.36
  6. Step 6: Final answer
    x = 26,777,928.13

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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.