Home / 7,407,090.30-11,102,819.61-3,994,448.13

Finding the Fourth Proportional to 7,407,090.30, 11,102,819.61 and 3,994,448.13

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Solution

The fourth proportional to 7,407,090.30, 11,102,819.61 and 3,994,448.13 is: 5,987,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407,090.30 : 11,102,819.61 = 3,994,448.13 : x
  2. Step 2: Convert to fraction form
    7,407,090.30/11,102,819.61 = 3,994,448.13/x
  3. Step 3: Cross multiply
    7,407,090.30x = 11,102,819.61 × 3,994,448.13
  4. Step 4: Simplify right side
    7,407,090.30x = 44,349,637,028,891.83
  5. Step 5: Solve for x
    x = 44,349,637,028,891.83/7,407,090.30
  6. Step 6: Final answer
    x = 5,987,457.32

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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.