Home / 21,865,790.58-30,174,614.01-12,076,905.75

Finding the Fourth Proportional to 21,865,790.58, 30,174,614.01 and 12,076,905.75

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Solution

The fourth proportional to 21,865,790.58, 30,174,614.01 and 12,076,905.75 is: 16,666,032.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,865,790.58 : 30,174,614.01 = 12,076,905.75 : x
  2. Step 2: Convert to fraction form
    21,865,790.58/30,174,614.01 = 12,076,905.75/x
  3. Step 3: Cross multiply
    21,865,790.58x = 30,174,614.01 × 12,076,905.75
  4. Step 4: Simplify right side
    21,865,790.58x = 364,415,969,441,399.56
  5. Step 5: Solve for x
    x = 364,415,969,441,399.56/21,865,790.58
  6. Step 6: Final answer
    x = 16,666,032.18

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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.