Home / 21,810,527.21-30,098,710.74-12,020,996.45

Finding the Fourth Proportional to 21,810,527.21, 30,098,710.74 and 12,020,996.45

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Solution

The fourth proportional to 21,810,527.21, 30,098,710.74 and 12,020,996.45 is: 16,589,076.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,810,527.21 : 30,098,710.74 = 12,020,996.45 : x
  2. Step 2: Convert to fraction form
    21,810,527.21/30,098,710.74 = 12,020,996.45/x
  3. Step 3: Cross multiply
    21,810,527.21x = 30,098,710.74 × 12,020,996.45
  4. Step 4: Simplify right side
    21,810,527.21x = 361,816,494,804,623.31
  5. Step 5: Solve for x
    x = 361,816,494,804,623.31/21,810,527.21
  6. Step 6: Final answer
    x = 16,589,076.06

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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.