Home / 31,136,463.28-42,968,395.26-17,385,919.48

Finding the Fourth Proportional to 31,136,463.28, 42,968,395.26 and 17,385,919.48

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Solution

The fourth proportional to 31,136,463.28, 42,968,395.26 and 17,385,919.48 is: 23,992,611.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,136,463.28 : 42,968,395.26 = 17,385,919.48 : x
  2. Step 2: Convert to fraction form
    31,136,463.28/42,968,395.26 = 17,385,919.48/x
  3. Step 3: Cross multiply
    31,136,463.28x = 42,968,395.26 × 17,385,919.48
  4. Step 4: Simplify right side
    31,136,463.28x = 747,045,060,175,173.62
  5. Step 5: Solve for x
    x = 747,045,060,175,173.62/31,136,463.28
  6. Step 6: Final answer
    x = 23,992,611.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.