Home / 13,305,903.90-19,958,855.85-4,786,518.30

Finding the Fourth Proportional to 13,305,903.90, 19,958,855.85 and 4,786,518.30

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Solution

The fourth proportional to 13,305,903.90, 19,958,855.85 and 4,786,518.30 is: 7,179,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,903.90 : 19,958,855.85 = 4,786,518.30 : x
  2. Step 2: Convert to fraction form
    13,305,903.90/19,958,855.85 = 4,786,518.30/x
  3. Step 3: Cross multiply
    13,305,903.90x = 19,958,855.85 × 4,786,518.30
  4. Step 4: Simplify right side
    13,305,903.90x = 95,533,428,773,087.06
  5. Step 5: Solve for x
    x = 95,533,428,773,087.06/13,305,903.90
  6. Step 6: Final answer
    x = 7,179,777.45

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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.