Home / 21,948,846.80-30,289,409.96-12,025,771.70

Finding the Fourth Proportional to 21,948,846.80, 30,289,409.96 and 12,025,771.70

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Solution

The fourth proportional to 21,948,846.80, 30,289,409.96 and 12,025,771.70 is: 16,595,565.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948,846.80 : 30,289,409.96 = 12,025,771.70 : x
  2. Step 2: Convert to fraction form
    21,948,846.80/30,289,409.96 = 12,025,771.70/x
  3. Step 3: Cross multiply
    21,948,846.80x = 30,289,409.96 × 12,025,771.70
  4. Step 4: Simplify right side
    21,948,846.80x = 364,253,528,895,090.19
  5. Step 5: Solve for x
    x = 364,253,528,895,090.19/21,948,846.80
  6. Step 6: Final answer
    x = 16,595,565.69

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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.