Home / 12,458,464.40-18,687,696.60-5,726,878.40

Finding the Fourth Proportional to 12,458,464.40, 18,687,696.60 and 5,726,878.40

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Solution

The fourth proportional to 12,458,464.40, 18,687,696.60 and 5,726,878.40 is: 8,590,317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458,464.40 : 18,687,696.60 = 5,726,878.40 : x
  2. Step 2: Convert to fraction form
    12,458,464.40/18,687,696.60 = 5,726,878.40/x
  3. Step 3: Cross multiply
    12,458,464.40x = 18,687,696.60 × 5,726,878.40
  4. Step 4: Simplify right side
    12,458,464.40x = 107,022,166,004,293.45
  5. Step 5: Solve for x
    x = 107,022,166,004,293.45/12,458,464.40
  6. Step 6: Final answer
    x = 8,590,317.60

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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.