Home / 5,376,097.20-8,064,145.80-2,688,711.60

Finding the Fourth Proportional to 5,376,097.20, 8,064,145.80 and 2,688,711.60

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Solution

The fourth proportional to 5,376,097.20, 8,064,145.80 and 2,688,711.60 is: 4,033,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376,097.20 : 8,064,145.80 = 2,688,711.60 : x
  2. Step 2: Convert to fraction form
    5,376,097.20/8,064,145.80 = 2,688,711.60/x
  3. Step 3: Cross multiply
    5,376,097.20x = 8,064,145.80 × 2,688,711.60
  4. Step 4: Simplify right side
    5,376,097.20x = 21,682,162,356,551.28
  5. Step 5: Solve for x
    x = 21,682,162,356,551.28/5,376,097.20
  6. Step 6: Final answer
    x = 4,033,067.40

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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.