Home / 13,384,351.14-18,470,515.26-7,272,779.64

Finding the Fourth Proportional to 13,384,351.14, 18,470,515.26 and 7,272,779.64

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Solution

The fourth proportional to 13,384,351.14, 18,470,515.26 and 7,272,779.64 is: 10,036,496.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384,351.14 : 18,470,515.26 = 7,272,779.64 : x
  2. Step 2: Convert to fraction form
    13,384,351.14/18,470,515.26 = 7,272,779.64/x
  3. Step 3: Cross multiply
    13,384,351.14x = 18,470,515.26 × 7,272,779.64
  4. Step 4: Simplify right side
    13,384,351.14x = 134,331,987,323,237.31
  5. Step 5: Solve for x
    x = 134,331,987,323,237.31/13,384,351.14
  6. Step 6: Final answer
    x = 10,036,496.05

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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.