Home / 19,071,183.60-28,606,775.40-11,890,825.20

Finding the Fourth Proportional to 19,071,183.60, 28,606,775.40 and 11,890,825.20

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Solution

The fourth proportional to 19,071,183.60, 28,606,775.40 and 11,890,825.20 is: 17,836,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071,183.60 : 28,606,775.40 = 11,890,825.20 : x
  2. Step 2: Convert to fraction form
    19,071,183.60/28,606,775.40 = 11,890,825.20/x
  3. Step 3: Cross multiply
    19,071,183.60x = 28,606,775.40 × 11,890,825.20
  4. Step 4: Simplify right side
    19,071,183.60x = 340,158,165,817,060.06
  5. Step 5: Solve for x
    x = 340,158,165,817,060.06/19,071,183.60
  6. Step 6: Final answer
    x = 17,836,237.80

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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.