Home / 21,999,849.93-30,365,373.78-15,033,347.37

Finding the Fourth Proportional to 21,999,849.93, 30,365,373.78 and 15,033,347.37

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Solution

The fourth proportional to 21,999,849.93, 30,365,373.78 and 15,033,347.37 is: 20,749,833.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,999,849.93 : 30,365,373.78 = 15,033,347.37 : x
  2. Step 2: Convert to fraction form
    21,999,849.93/30,365,373.78 = 15,033,347.37/x
  3. Step 3: Cross multiply
    21,999,849.93x = 30,365,373.78 × 15,033,347.37
  4. Step 4: Simplify right side
    21,999,849.93x = 456,493,212,054,629.94
  5. Step 5: Solve for x
    x = 456,493,212,054,629.94/21,999,849.93
  6. Step 6: Final answer
    x = 20,749,833.00

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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.