Home / 10,800,868.56-14,903,974.46-6,390,729.42

Finding the Fourth Proportional to 10,800,868.56, 14,903,974.46 and 6,390,729.42

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Solution

The fourth proportional to 10,800,868.56, 14,903,974.46 and 6,390,729.42 is: 8,818,482.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800,868.56 : 14,903,974.46 = 6,390,729.42 : x
  2. Step 2: Convert to fraction form
    10,800,868.56/14,903,974.46 = 6,390,729.42/x
  3. Step 3: Cross multiply
    10,800,868.56x = 14,903,974.46 × 6,390,729.42
  4. Step 4: Simplify right side
    10,800,868.56x = 95,247,268,040,477.84
  5. Step 5: Solve for x
    x = 95,247,268,040,477.84/10,800,868.56
  6. Step 6: Final answer
    x = 8,818,482.28

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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.