Home / 11,971,775.72-16,521,050.44-6,465,150.28

Finding the Fourth Proportional to 11,971,775.72, 16,521,050.44 and 6,465,150.28

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Solution

The fourth proportional to 11,971,775.72, 16,521,050.44 and 6,465,150.28 is: 8,921,907.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971,775.72 : 16,521,050.44 = 6,465,150.28 : x
  2. Step 2: Convert to fraction form
    11,971,775.72/16,521,050.44 = 6,465,150.28/x
  3. Step 3: Cross multiply
    11,971,775.72x = 16,521,050.44 × 6,465,150.28
  4. Step 4: Simplify right side
    11,971,775.72x = 106,811,073,878,060.12
  5. Step 5: Solve for x
    x = 106,811,073,878,060.12/11,971,775.72
  6. Step 6: Final answer
    x = 8,921,907.36

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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.