Home / 11,897,105.90-16,418,110.11-6,464,597.90

Finding the Fourth Proportional to 11,897,105.90, 16,418,110.11 and 6,464,597.90

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Solution

The fourth proportional to 11,897,105.90, 16,418,110.11 and 6,464,597.90 is: 8,921,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,897,105.90 : 16,418,110.11 = 6,464,597.90 : x
  2. Step 2: Convert to fraction form
    11,897,105.90/16,418,110.11 = 6,464,597.90/x
  3. Step 3: Cross multiply
    11,897,105.90x = 16,418,110.11 × 6,464,597.90
  4. Step 4: Simplify right side
    11,897,105.90x = 106,136,480,139,074.77
  5. Step 5: Solve for x
    x = 106,136,480,139,074.77/11,897,105.90
  6. Step 6: Final answer
    x = 8,921,201.60

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1.5x scale

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.