Home / 7,764,477.60-11,646,716.40-3,985,341.60

Finding the Fourth Proportional to 7,764,477.60, 11,646,716.40 and 3,985,341.60

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Solution

The fourth proportional to 7,764,477.60, 11,646,716.40 and 3,985,341.60 is: 5,978,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764,477.60 : 11,646,716.40 = 3,985,341.60 : x
  2. Step 2: Convert to fraction form
    7,764,477.60/11,646,716.40 = 3,985,341.60/x
  3. Step 3: Cross multiply
    7,764,477.60x = 11,646,716.40 × 3,985,341.60
  4. Step 4: Simplify right side
    7,764,477.60x = 46,416,143,372,322.24
  5. Step 5: Solve for x
    x = 46,416,143,372,322.24/7,764,477.60
  6. Step 6: Final answer
    x = 5,978,012.40

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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.