Home / 14,289,067.36-21,325,617.53-12,910,020.48

Finding the Fourth Proportional to 14,289,067.36, 21,325,617.53 and 12,910,020.48

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Solution

The fourth proportional to 14,289,067.36, 21,325,617.53 and 12,910,020.48 is: 19,267,468.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289,067.36 : 21,325,617.53 = 12,910,020.48 : x
  2. Step 2: Convert to fraction form
    14,289,067.36/21,325,617.53 = 12,910,020.48/x
  3. Step 3: Cross multiply
    14,289,067.36x = 21,325,617.53 × 12,910,020.48
  4. Step 4: Simplify right side
    14,289,067.36x = 275,314,159,060,947.03
  5. Step 5: Solve for x
    x = 275,314,159,060,947.03/14,289,067.36
  6. Step 6: Final answer
    x = 19,267,468.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.