Home / 13,425,372.32-20,124,575.40-4,320,779.36

Finding the Fourth Proportional to 13,425,372.32, 20,124,575.40 and 4,320,779.36

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Solution

The fourth proportional to 13,425,372.32, 20,124,575.40 and 4,320,779.36 is: 6,476,829.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425,372.32 : 20,124,575.40 = 4,320,779.36 : x
  2. Step 2: Convert to fraction form
    13,425,372.32/20,124,575.40 = 4,320,779.36/x
  3. Step 3: Cross multiply
    13,425,372.32x = 20,124,575.40 × 4,320,779.36
  4. Step 4: Simplify right side
    13,425,372.32x = 86,953,850,017,083.75
  5. Step 5: Solve for x
    x = 86,953,850,017,083.75/13,425,372.32
  6. Step 6: Final answer
    x = 6,476,829.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.