Home / 13,172,811.60-19,720,726.20-9,393,675.60

Finding the Fourth Proportional to 13,172,811.60, 19,720,726.20 and 9,393,675.60

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Solution

The fourth proportional to 13,172,811.60, 19,720,726.20 and 9,393,675.60 is: 14,063,064.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172,811.60 : 19,720,726.20 = 9,393,675.60 : x
  2. Step 2: Convert to fraction form
    13,172,811.60/19,720,726.20 = 9,393,675.60/x
  3. Step 3: Cross multiply
    13,172,811.60x = 19,720,726.20 × 9,393,675.60
  4. Step 4: Simplify right side
    13,172,811.60x = 185,250,104,519,220.72
  5. Step 5: Solve for x
    x = 185,250,104,519,220.72/13,172,811.60
  6. Step 6: Final answer
    x = 14,063,064.91

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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.