Home / 19,474,719.78-26,872,771.60-11,217,467.64

Finding the Fourth Proportional to 19,474,719.78, 26,872,771.60 and 11,217,467.64

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Solution

The fourth proportional to 19,474,719.78, 26,872,771.60 and 11,217,467.64 is: 15,478,756.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,474,719.78 : 26,872,771.60 = 11,217,467.64 : x
  2. Step 2: Convert to fraction form
    19,474,719.78/26,872,771.60 = 11,217,467.64/x
  3. Step 3: Cross multiply
    19,474,719.78x = 26,872,771.60 × 11,217,467.64
  4. Step 4: Simplify right side
    19,474,719.78x = 301,444,445,820,111.06
  5. Step 5: Solve for x
    x = 301,444,445,820,111.06/19,474,719.78
  6. Step 6: Final answer
    x = 15,478,756.52

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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.