Home / 10,752,136.95-16,128,205.43-4,768,504.95

Finding the Fourth Proportional to 10,752,136.95, 16,128,205.43 and 4,768,504.95

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Solution

The fourth proportional to 10,752,136.95, 16,128,205.43 and 4,768,504.95 is: 7,152,757.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,136.95 : 16,128,205.43 = 4,768,504.95 : x
  2. Step 2: Convert to fraction form
    10,752,136.95/16,128,205.43 = 4,768,504.95/x
  3. Step 3: Cross multiply
    10,752,136.95x = 16,128,205.43 × 4,768,504.95
  4. Step 4: Simplify right side
    10,752,136.95x = 76,907,427,403,729.36
  5. Step 5: Solve for x
    x = 76,907,427,403,729.36/10,752,136.95
  6. Step 6: Final answer
    x = 7,152,757.43

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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.