Home / 7,989,103.80-11,983,655.70-4,959,890.10

Finding the Fourth Proportional to 7,989,103.80, 11,983,655.70 and 4,959,890.10

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Solution

The fourth proportional to 7,989,103.80, 11,983,655.70 and 4,959,890.10 is: 7,439,835.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989,103.80 : 11,983,655.70 = 4,959,890.10 : x
  2. Step 2: Convert to fraction form
    7,989,103.80/11,983,655.70 = 4,959,890.10/x
  3. Step 3: Cross multiply
    7,989,103.80x = 11,983,655.70 × 4,959,890.10
  4. Step 4: Simplify right side
    7,989,103.80x = 59,437,615,268,238.56
  5. Step 5: Solve for x
    x = 59,437,615,268,238.56/7,989,103.80
  6. Step 6: Final answer
    x = 7,439,835.15

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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.