Home / 19,159,776.90-28,739,665.35-18,214,992.90

Finding the Fourth Proportional to 19,159,776.90, 28,739,665.35 and 18,214,992.90

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Solution

The fourth proportional to 19,159,776.90, 28,739,665.35 and 18,214,992.90 is: 27,322,489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159,776.90 : 28,739,665.35 = 18,214,992.90 : x
  2. Step 2: Convert to fraction form
    19,159,776.90/28,739,665.35 = 18,214,992.90/x
  3. Step 3: Cross multiply
    19,159,776.90x = 28,739,665.35 × 18,214,992.90
  4. Step 4: Simplify right side
    19,159,776.90x = 523,492,800,298,626
  5. Step 5: Solve for x
    x = 523,492,800,298,626/19,159,776.90
  6. Step 6: Final answer
    x = 27,322,489.35

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Similar ratio
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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.