Home / 21,496,763.88-32,213,259.05-15,789,087.54

Finding the Fourth Proportional to 21,496,763.88, 32,213,259.05 and 15,789,087.54

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Solution

The fourth proportional to 21,496,763.88, 32,213,259.05 and 15,789,087.54 is: 23,660,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,496,763.88 : 32,213,259.05 = 15,789,087.54 : x
  2. Step 2: Convert to fraction form
    21,496,763.88/32,213,259.05 = 15,789,087.54/x
  3. Step 3: Cross multiply
    21,496,763.88x = 32,213,259.05 × 15,789,087.54
  4. Step 4: Simplify right side
    21,496,763.88x = 508,617,967,010,201.81
  5. Step 5: Solve for x
    x = 508,617,967,010,201.81/21,496,763.88
  6. Step 6: Final answer
    x = 23,660,210.90

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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.