Home / 18,592,400.30-27,890,206.95-5,129,228.30

Finding the Fourth Proportional to 18,592,400.30, 27,890,206.95 and 5,129,228.30

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Solution

The fourth proportional to 18,592,400.30, 27,890,206.95 and 5,129,228.30 is: 7,694,285.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592,400.30 : 27,890,206.95 = 5,129,228.30 : x
  2. Step 2: Convert to fraction form
    18,592,400.30/27,890,206.95 = 5,129,228.30/x
  3. Step 3: Cross multiply
    18,592,400.30x = 27,890,206.95 × 5,129,228.30
  4. Step 4: Simplify right side
    18,592,400.30x = 143,055,238,780,796.69
  5. Step 5: Solve for x
    x = 143,055,238,780,796.69/18,592,400.30
  6. Step 6: Final answer
    x = 7,694,285.65

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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.