Home / 30,883,422.78-42,624,232.65-17,136,815.58

Finding the Fourth Proportional to 30,883,422.78, 42,624,232.65 and 17,136,815.58

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Solution

The fourth proportional to 30,883,422.78, 42,624,232.65 and 17,136,815.58 is: 23,651,640.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,883,422.78 : 42,624,232.65 = 17,136,815.58 : x
  2. Step 2: Convert to fraction form
    30,883,422.78/42,624,232.65 = 17,136,815.58/x
  3. Step 3: Cross multiply
    30,883,422.78x = 42,624,232.65 × 17,136,815.58
  4. Step 4: Simplify right side
    30,883,422.78x = 730,443,614,162,064.62
  5. Step 5: Solve for x
    x = 730,443,614,162,064.62/30,883,422.78
  6. Step 6: Final answer
    x = 23,651,640.54

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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.