Home / 13,412,612.60-20,121,543.30-5,736,242.60

Finding the Fourth Proportional to 13,412,612.60, 20,121,543.30 and 5,736,242.60

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Solution

The fourth proportional to 13,412,612.60, 20,121,543.30 and 5,736,242.60 is: 8,605,486.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412,612.60 : 20,121,543.30 = 5,736,242.60 : x
  2. Step 2: Convert to fraction form
    13,412,612.60/20,121,543.30 = 5,736,242.60/x
  3. Step 3: Cross multiply
    13,412,612.60x = 20,121,543.30 × 5,736,242.60
  4. Step 4: Simplify right side
    13,412,612.60x = 115,422,053,855,204.58
  5. Step 5: Solve for x
    x = 115,422,053,855,204.58/13,412,612.60
  6. Step 6: Final answer
    x = 8,605,486.29

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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.