Home / 7,769,881.20-11,654,821.80-4,410,649.20

Finding the Fourth Proportional to 7,769,881.20, 11,654,821.80 and 4,410,649.20

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Solution

The fourth proportional to 7,769,881.20, 11,654,821.80 and 4,410,649.20 is: 6,615,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769,881.20 : 11,654,821.80 = 4,410,649.20 : x
  2. Step 2: Convert to fraction form
    7,769,881.20/11,654,821.80 = 4,410,649.20/x
  3. Step 3: Cross multiply
    7,769,881.20x = 11,654,821.80 × 4,410,649.20
  4. Step 4: Simplify right side
    7,769,881.20x = 51,405,330,448,312.56
  5. Step 5: Solve for x
    x = 51,405,330,448,312.56/7,769,881.20
  6. Step 6: Final answer
    x = 6,615,973.80

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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.