Home / 21,881,143.80-32,821,715.70-6,739,716.60

Finding the Fourth Proportional to 21,881,143.80, 32,821,715.70 and 6,739,716.60

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Solution

The fourth proportional to 21,881,143.80, 32,821,715.70 and 6,739,716.60 is: 10,109,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,881,143.80 : 32,821,715.70 = 6,739,716.60 : x
  2. Step 2: Convert to fraction form
    21,881,143.80/32,821,715.70 = 6,739,716.60/x
  3. Step 3: Cross multiply
    21,881,143.80x = 32,821,715.70 × 6,739,716.60
  4. Step 4: Simplify right side
    21,881,143.80x = 221,209,062,143,770.59
  5. Step 5: Solve for x
    x = 221,209,062,143,770.59/21,881,143.80
  6. Step 6: Final answer
    x = 10,109,574.90

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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.