Home / 13,877,619.98-20,828,387.39-9,620,777.57

Finding the Fourth Proportional to 13,877,619.98, 20,828,387.39 and 9,620,777.57

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Solution

The fourth proportional to 13,877,619.98, 20,828,387.39 and 9,620,777.57 is: 14,439,455.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877,619.98 : 20,828,387.39 = 9,620,777.57 : x
  2. Step 2: Convert to fraction form
    13,877,619.98/20,828,387.39 = 9,620,777.57/x
  3. Step 3: Cross multiply
    13,877,619.98x = 20,828,387.39 × 9,620,777.57
  4. Step 4: Simplify right side
    13,877,619.98x = 200,385,282,105,921.41
  5. Step 5: Solve for x
    x = 200,385,282,105,921.41/13,877,619.98
  6. Step 6: Final answer
    x = 14,439,455.93

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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.