Home / 12,464,061.75-18,698,516.55-4,787,145

Finding the Fourth Proportional to 12,464,061.75, 18,698,516.55 and 4,787,145

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Solution

The fourth proportional to 12,464,061.75, 18,698,516.55 and 4,787,145 is: 7,181,648.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464,061.75 : 18,698,516.55 = 4,787,145 : x
  2. Step 2: Convert to fraction form
    12,464,061.75/18,698,516.55 = 4,787,145/x
  3. Step 3: Cross multiply
    12,464,061.75x = 18,698,516.55 × 4,787,145
  4. Step 4: Simplify right side
    12,464,061.75x = 89,512,510,009,749.75
  5. Step 5: Solve for x
    x = 89,512,510,009,749.75/12,464,061.75
  6. Step 6: Final answer
    x = 7,181,648.47

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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.