Home / 5,518,148.63-8,274,807.68-2,784,013.85

Finding the Fourth Proportional to 5,518,148.63, 8,274,807.68 and 2,784,013.85

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Solution

The fourth proportional to 5,518,148.63, 8,274,807.68 and 2,784,013.85 is: 4,174,802.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518,148.63 : 8,274,807.68 = 2,784,013.85 : x
  2. Step 2: Convert to fraction form
    5,518,148.63/8,274,807.68 = 2,784,013.85/x
  3. Step 3: Cross multiply
    5,518,148.63x = 8,274,807.68 × 2,784,013.85
  4. Step 4: Simplify right side
    5,518,148.63x = 23,037,179,193,973.32
  5. Step 5: Solve for x
    x = 23,037,179,193,973.32/5,518,148.63
  6. Step 6: Final answer
    x = 4,174,802.23

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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.