Home / 14,779,695.20-20,405,576.48-13,228,270.20

Finding the Fourth Proportional to 14,779,695.20, 20,405,576.48 and 13,228,270.20

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Solution

The fourth proportional to 14,779,695.20, 20,405,576.48 and 13,228,270.20 is: 18,263,602.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779,695.20 : 20,405,576.48 = 13,228,270.20 : x
  2. Step 2: Convert to fraction form
    14,779,695.20/20,405,576.48 = 13,228,270.20/x
  3. Step 3: Cross multiply
    14,779,695.20x = 20,405,576.48 × 13,228,270.20
  4. Step 4: Simplify right side
    14,779,695.20x = 269,930,479,264,204.88
  5. Step 5: Solve for x
    x = 269,930,479,264,204.88/14,779,695.20
  6. Step 6: Final answer
    x = 18,263,602.57

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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.