Home / 14,779,694.70-20,405,575.79-13,228,269.71

Finding the Fourth Proportional to 14,779,694.70, 20,405,575.79 and 13,228,269.71

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Solution

The fourth proportional to 14,779,694.70, 20,405,575.79 and 13,228,269.71 is: 18,263,601.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779,694.70 : 20,405,575.79 = 13,228,269.71 : x
  2. Step 2: Convert to fraction form
    14,779,694.70/20,405,575.79 = 13,228,269.71/x
  3. Step 3: Cross multiply
    14,779,694.70x = 20,405,575.79 × 13,228,269.71
  4. Step 4: Simplify right side
    14,779,694.70x = 269,930,460,019,403.12
  5. Step 5: Solve for x
    x = 269,930,460,019,403.12/14,779,694.70
  6. Step 6: Final answer
    x = 18,263,601.89

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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.