Home / 12,305,316.96-18,458,020.80-3,785,594.40

Finding the Fourth Proportional to 12,305,316.96, 18,458,020.80 and 3,785,594.40

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Solution

The fourth proportional to 12,305,316.96, 18,458,020.80 and 3,785,594.40 is: 5,678,405.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305,316.96 : 18,458,020.80 = 3,785,594.40 : x
  2. Step 2: Convert to fraction form
    12,305,316.96/18,458,020.80 = 3,785,594.40/x
  3. Step 3: Cross multiply
    12,305,316.96x = 18,458,020.80 × 3,785,594.40
  4. Step 4: Simplify right side
    12,305,316.96x = 69,874,580,175,563.52
  5. Step 5: Solve for x
    x = 69,874,580,175,563.52/12,305,316.96
  6. Step 6: Final answer
    x = 5,678,405.55

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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.