Home / 21,048,745.78-31,574,250.45-6,672,934.58

Finding the Fourth Proportional to 21,048,745.78, 31,574,250.45 and 6,672,934.58

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Solution

The fourth proportional to 21,048,745.78, 31,574,250.45 and 6,672,934.58 is: 10,009,760.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048,745.78 : 31,574,250.45 = 6,672,934.58 : x
  2. Step 2: Convert to fraction form
    21,048,745.78/31,574,250.45 = 6,672,934.58/x
  3. Step 3: Cross multiply
    21,048,745.78x = 31,574,250.45 × 6,672,934.58
  4. Step 4: Simplify right side
    21,048,745.78x = 210,692,907,507,514.31
  5. Step 5: Solve for x
    x = 210,692,907,507,514.31/21,048,745.78
  6. Step 6: Final answer
    x = 10,009,760.66

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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.