Home / 20,757,424.10-31,136,136.15-5,611,355.60

Finding the Fourth Proportional to 20,757,424.10, 31,136,136.15 and 5,611,355.60

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Solution

The fourth proportional to 20,757,424.10, 31,136,136.15 and 5,611,355.60 is: 8,417,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,757,424.10 : 31,136,136.15 = 5,611,355.60 : x
  2. Step 2: Convert to fraction form
    20,757,424.10/31,136,136.15 = 5,611,355.60/x
  3. Step 3: Cross multiply
    20,757,424.10x = 31,136,136.15 × 5,611,355.60
  4. Step 4: Simplify right side
    20,757,424.10x = 174,715,931,947,664.91
  5. Step 5: Solve for x
    x = 174,715,931,947,664.91/20,757,424.10
  6. Step 6: Final answer
    x = 8,417,033.40

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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.