Home / 5,176,000.45-7,143,412.14-3,111,684.31

Finding the Fourth Proportional to 5,176,000.45, 7,143,412.14 and 3,111,684.31

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Solution

The fourth proportional to 5,176,000.45, 7,143,412.14 and 3,111,684.31 is: 4,294,443.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176,000.45 : 7,143,412.14 = 3,111,684.31 : x
  2. Step 2: Convert to fraction form
    5,176,000.45/7,143,412.14 = 3,111,684.31/x
  3. Step 3: Cross multiply
    5,176,000.45x = 7,143,412.14 × 3,111,684.31
  4. Step 4: Simplify right side
    5,176,000.45x = 22,228,043,475,901.52
  5. Step 5: Solve for x
    x = 22,228,043,475,901.52/5,176,000.45
  6. Step 6: Final answer
    x = 4,294,443.88

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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.