Home / 42,438,915.36-63,683,074.80-17,845,063.56

Finding the Fourth Proportional to 42,438,915.36, 63,683,074.80 and 17,845,063.56

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Solution

The fourth proportional to 42,438,915.36, 63,683,074.80 and 17,845,063.56 is: 26,777,982.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,438,915.36 : 63,683,074.80 = 17,845,063.56 : x
  2. Step 2: Convert to fraction form
    42,438,915.36/63,683,074.80 = 17,845,063.56/x
  3. Step 3: Cross multiply
    42,438,915.36x = 63,683,074.80 × 17,845,063.56
  4. Step 4: Simplify right side
    42,438,915.36x = 1,136,428,517,502,234.25
  5. Step 5: Solve for x
    x = 1,136,428,517,502,234.25/42,438,915.36
  6. Step 6: Final answer
    x = 26,777,982.14

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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.