Home / 11,818,693.60-17,728,040.40-5,087,107.60

Finding the Fourth Proportional to 11,818,693.60, 17,728,040.40 and 5,087,107.60

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Solution

The fourth proportional to 11,818,693.60, 17,728,040.40 and 5,087,107.60 is: 7,630,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818,693.60 : 17,728,040.40 = 5,087,107.60 : x
  2. Step 2: Convert to fraction form
    11,818,693.60/17,728,040.40 = 5,087,107.60/x
  3. Step 3: Cross multiply
    11,818,693.60x = 17,728,040.40 × 5,087,107.60
  4. Step 4: Simplify right side
    11,818,693.60x = 90,184,449,051,947.03
  5. Step 5: Solve for x
    x = 90,184,449,051,947.03/11,818,693.60
  6. Step 6: Final answer
    x = 7,630,661.40

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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.