Home / 9,165,960-13,751,972.64-4,905,178.56

Finding the Fourth Proportional to 9,165,960, 13,751,972.64 and 4,905,178.56

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Solution

The fourth proportional to 9,165,960, 13,751,972.64 and 4,905,178.56 is: 7,359,390.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165,960 : 13,751,972.64 = 4,905,178.56 : x
  2. Step 2: Convert to fraction form
    9,165,960/13,751,972.64 = 4,905,178.56/x
  3. Step 3: Cross multiply
    9,165,960x = 13,751,972.64 × 4,905,178.56
  4. Step 4: Simplify right side
    9,165,960x = 67,455,881,351,434.59
  5. Step 5: Solve for x
    x = 67,455,881,351,434.59/9,165,960
  6. Step 6: Final answer
    x = 7,359,390.76

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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.