Home / 19,316,010.44-26,629,458.80-15,409,027.20

Finding the Fourth Proportional to 19,316,010.44, 26,629,458.80 and 15,409,027.20

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Solution

The fourth proportional to 19,316,010.44, 26,629,458.80 and 15,409,027.20 is: 21,243,209.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316,010.44 : 26,629,458.80 = 15,409,027.20 : x
  2. Step 2: Convert to fraction form
    19,316,010.44/26,629,458.80 = 15,409,027.20/x
  3. Step 3: Cross multiply
    19,316,010.44x = 26,629,458.80 × 15,409,027.20
  4. Step 4: Simplify right side
    19,316,010.44x = 410,334,054,970,479.38
  5. Step 5: Solve for x
    x = 410,334,054,970,479.38/19,316,010.44
  6. Step 6: Final answer
    x = 21,243,209.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.