Home / 12,968,743.56-19,433,878.23-5,282,999.53

Finding the Fourth Proportional to 12,968,743.56, 19,433,878.23 and 5,282,999.53

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Solution

The fourth proportional to 12,968,743.56, 19,433,878.23 and 5,282,999.53 is: 7,916,662.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968,743.56 : 19,433,878.23 = 5,282,999.53 : x
  2. Step 2: Convert to fraction form
    12,968,743.56/19,433,878.23 = 5,282,999.53/x
  3. Step 3: Cross multiply
    12,968,743.56x = 19,433,878.23 × 5,282,999.53
  4. Step 4: Simplify right side
    12,968,743.56x = 102,669,169,526,393.78
  5. Step 5: Solve for x
    x = 102,669,169,526,393.78/12,968,743.56
  6. Step 6: Final answer
    x = 7,916,662.79

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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.