Home / 12,091,955.20-18,137,932.80-9,700,470.70

Finding the Fourth Proportional to 12,091,955.20, 18,137,932.80 and 9,700,470.70

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Solution

The fourth proportional to 12,091,955.20, 18,137,932.80 and 9,700,470.70 is: 14,550,706.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091,955.20 : 18,137,932.80 = 9,700,470.70 : x
  2. Step 2: Convert to fraction form
    12,091,955.20/18,137,932.80 = 9,700,470.70/x
  3. Step 3: Cross multiply
    12,091,955.20x = 18,137,932.80 × 9,700,470.70
  4. Step 4: Simplify right side
    12,091,955.20x = 175,946,485,684,968.97
  5. Step 5: Solve for x
    x = 175,946,485,684,968.97/12,091,955.20
  6. Step 6: Final answer
    x = 14,550,706.05

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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.