Home / 7,743,889.80-10,686,128.40-4,306,056.84

Finding the Fourth Proportional to 7,743,889.80, 10,686,128.40 and 4,306,056.84

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Solution

The fourth proportional to 7,743,889.80, 10,686,128.40 and 4,306,056.84 is: 5,942,114.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743,889.80 : 10,686,128.40 = 4,306,056.84 : x
  2. Step 2: Convert to fraction form
    7,743,889.80/10,686,128.40 = 4,306,056.84/x
  3. Step 3: Cross multiply
    7,743,889.80x = 10,686,128.40 × 4,306,056.84
  4. Step 4: Simplify right side
    7,743,889.80x = 46,015,076,289,938.26
  5. Step 5: Solve for x
    x = 46,015,076,289,938.26/7,743,889.80
  6. Step 6: Final answer
    x = 5,942,114.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.