Home / 14,779,690.76-20,405,570.36-13,228,265.77

Finding the Fourth Proportional to 14,779,690.76, 20,405,570.36 and 13,228,265.77

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Solution

The fourth proportional to 14,779,690.76, 20,405,570.36 and 13,228,265.77 is: 18,263,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779,690.76 : 20,405,570.36 = 13,228,265.77 : x
  2. Step 2: Convert to fraction form
    14,779,690.76/20,405,570.36 = 13,228,265.77/x
  3. Step 3: Cross multiply
    14,779,690.76x = 20,405,570.36 × 13,228,265.77
  4. Step 4: Simplify right side
    14,779,690.76x = 269,930,307,793,359.34
  5. Step 5: Solve for x
    x = 269,930,307,793,359.34/14,779,690.76
  6. Step 6: Final answer
    x = 18,263,596.45

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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.