Home / 7,120,025.08-9,825,432.10-4,179,794.94

Finding the Fourth Proportional to 7,120,025.08, 9,825,432.10 and 4,179,794.94

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Solution

The fourth proportional to 7,120,025.08, 9,825,432.10 and 4,179,794.94 is: 5,767,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120,025.08 : 9,825,432.10 = 4,179,794.94 : x
  2. Step 2: Convert to fraction form
    7,120,025.08/9,825,432.10 = 4,179,794.94/x
  3. Step 3: Cross multiply
    7,120,025.08x = 9,825,432.10 × 4,179,794.94
  4. Step 4: Simplify right side
    7,120,025.08x = 41,068,291,364,444.09
  5. Step 5: Solve for x
    x = 41,068,291,364,444.09/7,120,025.08
  6. Step 6: Final answer
    x = 5,767,998.13

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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.