Home / 19,217,431.90-26,520,650.90-10,515,971.26

Finding the Fourth Proportional to 19,217,431.90, 26,520,650.90 and 10,515,971.26

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Solution

The fourth proportional to 19,217,431.90, 26,520,650.90 and 10,515,971.26 is: 14,512,365.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217,431.90 : 26,520,650.90 = 10,515,971.26 : x
  2. Step 2: Convert to fraction form
    19,217,431.90/26,520,650.90 = 10,515,971.26/x
  3. Step 3: Cross multiply
    19,217,431.90x = 26,520,650.90 × 10,515,971.26
  4. Step 4: Simplify right side
    19,217,431.90x = 278,890,402,660,893.12
  5. Step 5: Solve for x
    x = 278,890,402,660,893.12/19,217,431.90
  6. Step 6: Final answer
    x = 14,512,365.86

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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.