Home / 7,005,382.88-10,508,074.40-5,410,272.64

Finding the Fourth Proportional to 7,005,382.88, 10,508,074.40 and 5,410,272.64

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Solution

The fourth proportional to 7,005,382.88, 10,508,074.40 and 5,410,272.64 is: 8,115,409.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005,382.88 : 10,508,074.40 = 5,410,272.64 : x
  2. Step 2: Convert to fraction form
    7,005,382.88/10,508,074.40 = 5,410,272.64/x
  3. Step 3: Cross multiply
    7,005,382.88x = 10,508,074.40 × 5,410,272.64
  4. Step 4: Simplify right side
    7,005,382.88x = 56,851,547,425,404.41
  5. Step 5: Solve for x
    x = 56,851,547,425,404.41/7,005,382.88
  6. Step 6: Final answer
    x = 8,115,409.02

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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.