Home / 7,946,765.28-11,921,924.82-2,898,075.78

Finding the Fourth Proportional to 7,946,765.28, 11,921,924.82 and 2,898,075.78

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Solution

The fourth proportional to 7,946,765.28, 11,921,924.82 and 2,898,075.78 is: 4,347,761.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946,765.28 : 11,921,924.82 = 2,898,075.78 : x
  2. Step 2: Convert to fraction form
    7,946,765.28/11,921,924.82 = 2,898,075.78/x
  3. Step 3: Cross multiply
    7,946,765.28x = 11,921,924.82 × 2,898,075.78
  4. Step 4: Simplify right side
    7,946,765.28x = 34,550,641,571,822.86
  5. Step 5: Solve for x
    x = 34,550,641,571,822.86/7,946,765.28
  6. Step 6: Final answer
    x = 4,347,761.68

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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.