Home / 21,942,470.16-30,280,237.73-12,152,704.16

Finding the Fourth Proportional to 21,942,470.16, 30,280,237.73 and 12,152,704.16

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Solution

The fourth proportional to 21,942,470.16, 30,280,237.73 and 12,152,704.16 is: 16,770,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,942,470.16 : 30,280,237.73 = 12,152,704.16 : x
  2. Step 2: Convert to fraction form
    21,942,470.16/30,280,237.73 = 12,152,704.16/x
  3. Step 3: Cross multiply
    21,942,470.16x = 30,280,237.73 × 12,152,704.16
  4. Step 4: Simplify right side
    21,942,470.16x = 367,986,770,814,995.25
  5. Step 5: Solve for x
    x = 367,986,770,814,995.25/21,942,470.16
  6. Step 6: Final answer
    x = 16,770,526.20

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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.