Home / 12,455,758.80-18,674,779.64-4,772,893.41

Finding the Fourth Proportional to 12,455,758.80, 18,674,779.64 and 4,772,893.41

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Solution

The fourth proportional to 12,455,758.80, 18,674,779.64 and 4,772,893.41 is: 7,155,945.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,758.80 : 18,674,779.64 = 4,772,893.41 : x
  2. Step 2: Convert to fraction form
    12,455,758.80/18,674,779.64 = 4,772,893.41/x
  3. Step 3: Cross multiply
    12,455,758.80x = 18,674,779.64 × 4,772,893.41
  4. Step 4: Simplify right side
    12,455,758.80x = 89,132,732,653,093.72
  5. Step 5: Solve for x
    x = 89,132,732,653,093.72/12,455,758.80
  6. Step 6: Final answer
    x = 7,155,945.62

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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.