Home / 22,385,921.20-33,578,881.80-7,241,383.60

Finding the Fourth Proportional to 22,385,921.20, 33,578,881.80 and 7,241,383.60

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Solution

The fourth proportional to 22,385,921.20, 33,578,881.80 and 7,241,383.60 is: 10,862,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,385,921.20 : 33,578,881.80 = 7,241,383.60 : x
  2. Step 2: Convert to fraction form
    22,385,921.20/33,578,881.80 = 7,241,383.60/x
  3. Step 3: Cross multiply
    22,385,921.20x = 33,578,881.80 × 7,241,383.60
  4. Step 4: Simplify right side
    22,385,921.20x = 243,157,563,972,858.44
  5. Step 5: Solve for x
    x = 243,157,563,972,858.44/22,385,921.20
  6. Step 6: Final answer
    x = 10,862,075.40

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1.5x scale

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.