Home / 21,400,992.84-32,094,745.74-7,020,709.56

Finding the Fourth Proportional to 21,400,992.84, 32,094,745.74 and 7,020,709.56

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Solution

The fourth proportional to 21,400,992.84, 32,094,745.74 and 7,020,709.56 is: 10,528,852.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400,992.84 : 32,094,745.74 = 7,020,709.56 : x
  2. Step 2: Convert to fraction form
    21,400,992.84/32,094,745.74 = 7,020,709.56/x
  3. Step 3: Cross multiply
    21,400,992.84x = 32,094,745.74 × 7,020,709.56
  4. Step 4: Simplify right side
    21,400,992.84x = 225,327,888,242,587.25
  5. Step 5: Solve for x
    x = 225,327,888,242,587.25/21,400,992.84
  6. Step 6: Final answer
    x = 10,528,852.09

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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.