Home / 15,512,033.71-21,405,786.80-8,896,280.27

Finding the Fourth Proportional to 15,512,033.71, 21,405,786.80 and 8,896,280.27

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Solution

The fourth proportional to 15,512,033.71, 21,405,786.80 and 8,896,280.27 is: 12,276,396.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,512,033.71 : 21,405,786.80 = 8,896,280.27 : x
  2. Step 2: Convert to fraction form
    15,512,033.71/21,405,786.80 = 8,896,280.27/x
  3. Step 3: Cross multiply
    15,512,033.71x = 21,405,786.80 × 8,896,280.27
  4. Step 4: Simplify right side
    15,512,033.71x = 190,431,878,766,580
  5. Step 5: Solve for x
    x = 190,431,878,766,580/15,512,033.71
  6. Step 6: Final answer
    x = 12,276,396.65

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1.5x scale

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.