Home / 21,060,886-31,567,446.96-9,677,813.44

Finding the Fourth Proportional to 21,060,886, 31,567,446.96 and 9,677,813.44

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Solution

The fourth proportional to 21,060,886, 31,567,446.96 and 9,677,813.44 is: 14,505,745.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060,886 : 31,567,446.96 = 9,677,813.44 : x
  2. Step 2: Convert to fraction form
    21,060,886/31,567,446.96 = 9,677,813.44/x
  3. Step 3: Cross multiply
    21,060,886x = 31,567,446.96 × 9,677,813.44
  4. Step 4: Simplify right side
    21,060,886x = 305,503,862,455,975.12
  5. Step 5: Solve for x
    x = 305,503,862,455,975.12/21,060,886
  6. Step 6: Final answer
    x = 14,505,745.98

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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.