Home / 12,464,055.56-18,698,507.27-4,787,138.81

Finding the Fourth Proportional to 12,464,055.56, 18,698,507.27 and 4,787,138.81

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Solution

The fourth proportional to 12,464,055.56, 18,698,507.27 and 4,787,138.81 is: 7,181,639.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464,055.56 : 18,698,507.27 = 4,787,138.81 : x
  2. Step 2: Convert to fraction form
    12,464,055.56/18,698,507.27 = 4,787,138.81/x
  3. Step 3: Cross multiply
    12,464,055.56x = 18,698,507.27 × 4,787,138.81
  4. Step 4: Simplify right side
    12,464,055.56x = 89,512,349,882,046.50
  5. Step 5: Solve for x
    x = 89,512,349,882,046.50/12,464,055.56
  6. Step 6: Final answer
    x = 7,181,639.19

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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.