Home / 12,702,467.28-19,053,716.36-3,480,518.64

Finding the Fourth Proportional to 12,702,467.28, 19,053,716.36 and 3,480,518.64

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Solution

The fourth proportional to 12,702,467.28, 19,053,716.36 and 3,480,518.64 is: 5,220,782.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,702,467.28 : 19,053,716.36 = 3,480,518.64 : x
  2. Step 2: Convert to fraction form
    12,702,467.28/19,053,716.36 = 3,480,518.64/x
  3. Step 3: Cross multiply
    12,702,467.28x = 19,053,716.36 × 3,480,518.64
  4. Step 4: Simplify right side
    12,702,467.28x = 66,316,814,952,252.95
  5. Step 5: Solve for x
    x = 66,316,814,952,252.95/12,702,467.28
  6. Step 6: Final answer
    x = 5,220,782.19

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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.