Home / 5,378,031.20-8,067,046.80-5,346,538.40

Finding the Fourth Proportional to 5,378,031.20, 8,067,046.80 and 5,346,538.40

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Solution

The fourth proportional to 5,378,031.20, 8,067,046.80 and 5,346,538.40 is: 8,019,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,031.20 : 8,067,046.80 = 5,346,538.40 : x
  2. Step 2: Convert to fraction form
    5,378,031.20/8,067,046.80 = 5,346,538.40/x
  3. Step 3: Cross multiply
    5,378,031.20x = 8,067,046.80 × 5,346,538.40
  4. Step 4: Simplify right side
    5,378,031.20x = 43,130,775,490,797.12
  5. Step 5: Solve for x
    x = 43,130,775,490,797.12/5,378,031.20
  6. Step 6: Final answer
    x = 8,019,807.60

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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.