Home / 13,494,782.80-20,251,505.40-9,710,981.20

Finding the Fourth Proportional to 13,494,782.80, 20,251,505.40 and 9,710,981.20

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Solution

The fourth proportional to 13,494,782.80, 20,251,505.40 and 9,710,981.20 is: 14,573,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494,782.80 : 20,251,505.40 = 9,710,981.20 : x
  2. Step 2: Convert to fraction form
    13,494,782.80/20,251,505.40 = 9,710,981.20/x
  3. Step 3: Cross multiply
    13,494,782.80x = 20,251,505.40 × 9,710,981.20
  4. Step 4: Simplify right side
    13,494,782.80x = 196,661,988,211,098.44
  5. Step 5: Solve for x
    x = 196,661,988,211,098.44/13,494,782.80
  6. Step 6: Final answer
    x = 14,573,186.63

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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.