Home / 13,364,829.78-18,443,460.29-7,253,258.28

Finding the Fourth Proportional to 13,364,829.78, 18,443,460.29 and 7,253,258.28

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Solution

The fourth proportional to 13,364,829.78, 18,443,460.29 and 7,253,258.28 is: 10,009,493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364,829.78 : 18,443,460.29 = 7,253,258.28 : x
  2. Step 2: Convert to fraction form
    13,364,829.78/18,443,460.29 = 7,253,258.28/x
  3. Step 3: Cross multiply
    13,364,829.78x = 18,443,460.29 × 7,253,258.28
  4. Step 4: Simplify right side
    13,364,829.78x = 133,775,181,024,027.42
  5. Step 5: Solve for x
    x = 133,775,181,024,027.42/13,364,829.78
  6. Step 6: Final answer
    x = 10,009,493.82

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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.