Home / 7,689,190.36-11,532,075.12-2,223,091.60

Finding the Fourth Proportional to 7,689,190.36, 11,532,075.12 and 2,223,091.60

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Solution

The fourth proportional to 7,689,190.36, 11,532,075.12 and 2,223,091.60 is: 3,334,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689,190.36 : 11,532,075.12 = 2,223,091.60 : x
  2. Step 2: Convert to fraction form
    7,689,190.36/11,532,075.12 = 2,223,091.60/x
  3. Step 3: Cross multiply
    7,689,190.36x = 11,532,075.12 × 2,223,091.60
  4. Step 4: Simplify right side
    7,689,190.36x = 25,636,859,329,840.99
  5. Step 5: Solve for x
    x = 25,636,859,329,840.99/7,689,190.36
  6. Step 6: Final answer
    x = 3,334,142.88

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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.