Home / 21,320,300.34-29,422,014.48-11,530,744.56

Finding the Fourth Proportional to 21,320,300.34, 29,422,014.48 and 11,530,744.56

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Solution

The fourth proportional to 21,320,300.34, 29,422,014.48 and 11,530,744.56 is: 15,912,427.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,320,300.34 : 29,422,014.48 = 11,530,744.56 : x
  2. Step 2: Convert to fraction form
    21,320,300.34/29,422,014.48 = 11,530,744.56/x
  3. Step 3: Cross multiply
    21,320,300.34x = 29,422,014.48 × 11,530,744.56
  4. Step 4: Simplify right side
    21,320,300.34x = 339,257,733,409,501.25
  5. Step 5: Solve for x
    x = 339,257,733,409,501.25/21,320,300.34
  6. Step 6: Final answer
    x = 15,912,427.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.