Home / 19,197,187.20-28,795,780.80-18,665,746.20

Finding the Fourth Proportional to 19,197,187.20, 28,795,780.80 and 18,665,746.20

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Solution

The fourth proportional to 19,197,187.20, 28,795,780.80 and 18,665,746.20 is: 27,998,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,197,187.20 : 28,795,780.80 = 18,665,746.20 : x
  2. Step 2: Convert to fraction form
    19,197,187.20/28,795,780.80 = 18,665,746.20/x
  3. Step 3: Cross multiply
    19,197,187.20x = 28,795,780.80 × 18,665,746.20
  4. Step 4: Simplify right side
    19,197,187.20x = 537,494,736,043,632.94
  5. Step 5: Solve for x
    x = 537,494,736,043,632.94/19,197,187.20
  6. Step 6: Final answer
    x = 27,998,619.30

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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.