Home / 12,769,114.88-19,150,128.48-3,544,968.32

Finding the Fourth Proportional to 12,769,114.88, 19,150,128.48 and 3,544,968.32

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Solution

The fourth proportional to 12,769,114.88, 19,150,128.48 and 3,544,968.32 is: 5,316,468.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769,114.88 : 19,150,128.48 = 3,544,968.32 : x
  2. Step 2: Convert to fraction form
    12,769,114.88/19,150,128.48 = 3,544,968.32/x
  3. Step 3: Cross multiply
    12,769,114.88x = 19,150,128.48 × 3,544,968.32
  4. Step 4: Simplify right side
    12,769,114.88x = 67,886,598,785,529.75
  5. Step 5: Solve for x
    x = 67,886,598,785,529.75/12,769,114.88
  6. Step 6: Final answer
    x = 5,316,468.64

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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.