Home / 21,546,716.40-32,320,074.60-13,484,559.60

Finding the Fourth Proportional to 21,546,716.40, 32,320,074.60 and 13,484,559.60

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Solution

The fourth proportional to 21,546,716.40, 32,320,074.60 and 13,484,559.60 is: 20,226,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546,716.40 : 32,320,074.60 = 13,484,559.60 : x
  2. Step 2: Convert to fraction form
    21,546,716.40/32,320,074.60 = 13,484,559.60/x
  3. Step 3: Cross multiply
    21,546,716.40x = 32,320,074.60 × 13,484,559.60
  4. Step 4: Simplify right side
    21,546,716.40x = 435,821,972,220,146.19
  5. Step 5: Solve for x
    x = 435,821,972,220,146.19/21,546,716.40
  6. Step 6: Final answer
    x = 20,226,839.40

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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.