Home / 19,024,720.86-28,546,412.49-8,928,162.78

Finding the Fourth Proportional to 19,024,720.86, 28,546,412.49 and 8,928,162.78

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Solution

The fourth proportional to 19,024,720.86, 28,546,412.49 and 8,928,162.78 is: 13,396,623.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,024,720.86 : 28,546,412.49 = 8,928,162.78 : x
  2. Step 2: Convert to fraction form
    19,024,720.86/28,546,412.49 = 8,928,162.78/x
  3. Step 3: Cross multiply
    19,024,720.86x = 28,546,412.49 × 8,928,162.78
  4. Step 4: Simplify right side
    19,024,720.86x = 254,867,017,495,745.09
  5. Step 5: Solve for x
    x = 254,867,017,495,745.09/19,024,720.86
  6. Step 6: Final answer
    x = 13,396,623.23

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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.