Home / 7,800,510.60-11,686,769.10-6,680,766.60

Finding the Fourth Proportional to 7,800,510.60, 11,686,769.10 and 6,680,766.60

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Solution

The fourth proportional to 7,800,510.60, 11,686,769.10 and 6,680,766.60 is: 10,009,162.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800,510.60 : 11,686,769.10 = 6,680,766.60 : x
  2. Step 2: Convert to fraction form
    7,800,510.60/11,686,769.10 = 6,680,766.60/x
  3. Step 3: Cross multiply
    7,800,510.60x = 11,686,769.10 × 6,680,766.60
  4. Step 4: Simplify right side
    7,800,510.60x = 78,076,576,665,192.05
  5. Step 5: Solve for x
    x = 78,076,576,665,192.05/7,800,510.60
  6. Step 6: Final answer
    x = 10,009,162.31

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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.