Home / 11,593,611.20-17,390,416.80-7,319,921.60

Finding the Fourth Proportional to 11,593,611.20, 17,390,416.80 and 7,319,921.60

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Solution

The fourth proportional to 11,593,611.20, 17,390,416.80 and 7,319,921.60 is: 10,979,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,593,611.20 : 17,390,416.80 = 7,319,921.60 : x
  2. Step 2: Convert to fraction form
    11,593,611.20/17,390,416.80 = 7,319,921.60/x
  3. Step 3: Cross multiply
    11,593,611.20x = 17,390,416.80 × 7,319,921.60
  4. Step 4: Simplify right side
    11,593,611.20x = 127,296,487,567,322.88
  5. Step 5: Solve for x
    x = 127,296,487,567,322.88/11,593,611.20
  6. Step 6: Final answer
    x = 10,979,882.40

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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.