Home / 10,196,080.80-15,294,121.20-8,404,490.40

Finding the Fourth Proportional to 10,196,080.80, 15,294,121.20 and 8,404,490.40

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Solution

The fourth proportional to 10,196,080.80, 15,294,121.20 and 8,404,490.40 is: 12,606,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,196,080.80 : 15,294,121.20 = 8,404,490.40 : x
  2. Step 2: Convert to fraction form
    10,196,080.80/15,294,121.20 = 8,404,490.40/x
  3. Step 3: Cross multiply
    10,196,080.80x = 15,294,121.20 × 8,404,490.40
  4. Step 4: Simplify right side
    10,196,080.80x = 128,539,294,801,836.48
  5. Step 5: Solve for x
    x = 128,539,294,801,836.48/10,196,080.80
  6. Step 6: Final answer
    x = 12,606,735.60

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Similar ratio
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1.5x scale

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.