Home / 13,431,824.82-18,535,980.60-7,630,924.77

Finding the Fourth Proportional to 13,431,824.82, 18,535,980.60 and 7,630,924.77

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Solution

The fourth proportional to 13,431,824.82, 18,535,980.60 and 7,630,924.77 is: 10,530,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431,824.82 : 18,535,980.60 = 7,630,924.77 : x
  2. Step 2: Convert to fraction form
    13,431,824.82/18,535,980.60 = 7,630,924.77/x
  3. Step 3: Cross multiply
    13,431,824.82x = 18,535,980.60 × 7,630,924.77
  4. Step 4: Simplify right side
    13,431,824.82x = 141,446,673,496,779.47
  5. Step 5: Solve for x
    x = 141,446,673,496,779.47/13,431,824.82
  6. Step 6: Final answer
    x = 10,530,711.60

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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.