Home / 14,779,691.76-20,405,571.74-13,228,266.77

Finding the Fourth Proportional to 14,779,691.76, 20,405,571.74 and 13,228,266.77

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Solution

The fourth proportional to 14,779,691.76, 20,405,571.74 and 13,228,266.77 is: 18,263,597.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779,691.76 : 20,405,571.74 = 13,228,266.77 : x
  2. Step 2: Convert to fraction form
    14,779,691.76/20,405,571.74 = 13,228,266.77/x
  3. Step 3: Cross multiply
    14,779,691.76x = 20,405,571.74 × 13,228,266.77
  4. Step 4: Simplify right side
    14,779,691.76x = 269,930,346,571,093.06
  5. Step 5: Solve for x
    x = 269,930,346,571,093.06/14,779,691.76
  6. Step 6: Final answer
    x = 18,263,597.84

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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.