Home / 21,088,431.70-31,632,647.55-16,836,903.70

Finding the Fourth Proportional to 21,088,431.70, 31,632,647.55 and 16,836,903.70

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Solution

The fourth proportional to 21,088,431.70, 31,632,647.55 and 16,836,903.70 is: 25,255,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,088,431.70 : 31,632,647.55 = 16,836,903.70 : x
  2. Step 2: Convert to fraction form
    21,088,431.70/31,632,647.55 = 16,836,903.70/x
  3. Step 3: Cross multiply
    21,088,431.70x = 31,632,647.55 × 16,836,903.70
  4. Step 4: Simplify right side
    21,088,431.70x = 532,595,840,575,390.94
  5. Step 5: Solve for x
    x = 532,595,840,575,390.94/21,088,431.70
  6. Step 6: Final answer
    x = 25,255,355.55

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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.