Home / 19,107,643.20-28,661,464.80-11,549,371.20

Finding the Fourth Proportional to 19,107,643.20, 28,661,464.80 and 11,549,371.20

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Solution

The fourth proportional to 19,107,643.20, 28,661,464.80 and 11,549,371.20 is: 17,324,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,107,643.20 : 28,661,464.80 = 11,549,371.20 : x
  2. Step 2: Convert to fraction form
    19,107,643.20/28,661,464.80 = 11,549,371.20/x
  3. Step 3: Cross multiply
    19,107,643.20x = 28,661,464.80 × 11,549,371.20
  4. Step 4: Simplify right side
    19,107,643.20x = 331,021,896,110,933.75
  5. Step 5: Solve for x
    x = 331,021,896,110,933.75/19,107,643.20
  6. Step 6: Final answer
    x = 17,324,056.80

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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.