Home / 21,617,858.31-32,408,474.07-9,478,122.03

Finding the Fourth Proportional to 21,617,858.31, 32,408,474.07 and 9,478,122.03

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Solution

The fourth proportional to 21,617,858.31, 32,408,474.07 and 9,478,122.03 is: 14,209,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,617,858.31 : 32,408,474.07 = 9,478,122.03 : x
  2. Step 2: Convert to fraction form
    21,617,858.31/32,408,474.07 = 9,478,122.03/x
  3. Step 3: Cross multiply
    21,617,858.31x = 32,408,474.07 × 9,478,122.03
  4. Step 4: Simplify right side
    21,617,858.31x = 307,171,472,041,550.75
  5. Step 5: Solve for x
    x = 307,171,472,041,550.75/21,617,858.31
  6. Step 6: Final answer
    x = 14,209,153.73

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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.