Home / 12,455,576.40-18,683,364.60-7,332,747.60

Finding the Fourth Proportional to 12,455,576.40, 18,683,364.60 and 7,332,747.60

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Solution

The fourth proportional to 12,455,576.40, 18,683,364.60 and 7,332,747.60 is: 10,999,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,576.40 : 18,683,364.60 = 7,332,747.60 : x
  2. Step 2: Convert to fraction form
    12,455,576.40/18,683,364.60 = 7,332,747.60/x
  3. Step 3: Cross multiply
    12,455,576.40x = 18,683,364.60 × 7,332,747.60
  4. Step 4: Simplify right side
    12,455,576.40x = 137,000,396,930,574.97
  5. Step 5: Solve for x
    x = 137,000,396,930,574.97/12,455,576.40
  6. Step 6: Final answer
    x = 10,999,121.40

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1.5x scale

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.