Home / 13,276,727.20-19,915,746.90-6,899,435.20

Finding the Fourth Proportional to 13,276,727.20, 19,915,746.90 and 6,899,435.20

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Solution

The fourth proportional to 13,276,727.20, 19,915,746.90 and 6,899,435.20 is: 10,349,493.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276,727.20 : 19,915,746.90 = 6,899,435.20 : x
  2. Step 2: Convert to fraction form
    13,276,727.20/19,915,746.90 = 6,899,435.20/x
  3. Step 3: Cross multiply
    13,276,727.20x = 19,915,746.90 × 6,899,435.20
  4. Step 4: Simplify right side
    13,276,727.20x = 137,407,405,196,150.88
  5. Step 5: Solve for x
    x = 137,407,405,196,150.88/13,276,727.20
  6. Step 6: Final answer
    x = 10,349,493.75

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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.