Home / 9,020,379.80-13,532,559.84-2,631,132.20

Finding the Fourth Proportional to 9,020,379.80, 13,532,559.84 and 2,631,132.20

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Solution

The fourth proportional to 9,020,379.80, 13,532,559.84 and 2,631,132.20 is: 3,947,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020,379.80 : 13,532,559.84 = 2,631,132.20 : x
  2. Step 2: Convert to fraction form
    9,020,379.80/13,532,559.84 = 2,631,132.20/x
  3. Step 3: Cross multiply
    9,020,379.80x = 13,532,559.84 × 2,631,132.20
  4. Step 4: Simplify right side
    9,020,379.80x = 35,605,953,943,450.85
  5. Step 5: Solve for x
    x = 35,605,953,943,450.85/9,020,379.80
  6. Step 6: Final answer
    x = 3,947,278.80

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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.