Home / 13,754,621.80-20,631,932.70-7,377,329.80

Finding the Fourth Proportional to 13,754,621.80, 20,631,932.70 and 7,377,329.80

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Solution

The fourth proportional to 13,754,621.80, 20,631,932.70 and 7,377,329.80 is: 11,065,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754,621.80 : 20,631,932.70 = 7,377,329.80 : x
  2. Step 2: Convert to fraction form
    13,754,621.80/20,631,932.70 = 7,377,329.80/x
  3. Step 3: Cross multiply
    13,754,621.80x = 20,631,932.70 × 7,377,329.80
  4. Step 4: Simplify right side
    13,754,621.80x = 152,208,571,939,304.44
  5. Step 5: Solve for x
    x = 152,208,571,939,304.44/13,754,621.80
  6. Step 6: Final answer
    x = 11,065,994.70

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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.