Home / 21,706,672.40-32,581,003.80-13,203,616.40

Finding the Fourth Proportional to 21,706,672.40, 32,581,003.80 and 13,203,616.40

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Solution

The fourth proportional to 21,706,672.40, 32,581,003.80 and 13,203,616.40 is: 19,818,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,706,672.40 : 32,581,003.80 = 13,203,616.40 : x
  2. Step 2: Convert to fraction form
    21,706,672.40/32,581,003.80 = 13,203,616.40/x
  3. Step 3: Cross multiply
    21,706,672.40x = 32,581,003.80 × 13,203,616.40
  4. Step 4: Simplify right side
    21,706,672.40x = 430,187,076,102,142.31
  5. Step 5: Solve for x
    x = 430,187,076,102,142.31/21,706,672.40
  6. Step 6: Final answer
    x = 19,818,195.45

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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.