Home / 10,647,779.40-14,676,721.27-8,320,627.93

Finding the Fourth Proportional to 10,647,779.40, 14,676,721.27 and 8,320,627.93

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Solution

The fourth proportional to 10,647,779.40, 14,676,721.27 and 8,320,627.93 is: 11,469,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,779.40 : 14,676,721.27 = 8,320,627.93 : x
  2. Step 2: Convert to fraction form
    10,647,779.40/14,676,721.27 = 8,320,627.93/x
  3. Step 3: Cross multiply
    10,647,779.40x = 14,676,721.27 × 8,320,627.93
  4. Step 4: Simplify right side
    10,647,779.40x = 122,119,536,919,987.06
  5. Step 5: Solve for x
    x = 122,119,536,919,987.06/10,647,779.40
  6. Step 6: Final answer
    x = 11,469,014.56

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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.