Home / 15,771,399.28-21,764,515.80-8,528,038

Finding the Fourth Proportional to 15,771,399.28, 21,764,515.80 and 8,528,038

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Solution

The fourth proportional to 15,771,399.28, 21,764,515.80 and 8,528,038 is: 11,768,684.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,771,399.28 : 21,764,515.80 = 8,528,038 : x
  2. Step 2: Convert to fraction form
    15,771,399.28/21,764,515.80 = 8,528,038/x
  3. Step 3: Cross multiply
    15,771,399.28x = 21,764,515.80 × 8,528,038
  4. Step 4: Simplify right side
    15,771,399.28x = 185,608,617,794,000.41
  5. Step 5: Solve for x
    x = 185,608,617,794,000.41/15,771,399.28
  6. Step 6: Final answer
    x = 11,768,684.22

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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.