Home / 13,405,065.26-18,498,437.43-7,293,518.06

Finding the Fourth Proportional to 13,405,065.26, 18,498,437.43 and 7,293,518.06

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Solution

The fourth proportional to 13,405,065.26, 18,498,437.43 and 7,293,518.06 is: 10,064,754.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,405,065.26 : 18,498,437.43 = 7,293,518.06 : x
  2. Step 2: Convert to fraction form
    13,405,065.26/18,498,437.43 = 7,293,518.06/x
  3. Step 3: Cross multiply
    13,405,065.26x = 18,498,437.43 × 7,293,518.06
  4. Step 4: Simplify right side
    13,405,065.26x = 134,918,687,384,992.80
  5. Step 5: Solve for x
    x = 134,918,687,384,992.80/13,405,065.26
  6. Step 6: Final answer
    x = 10,064,754.24

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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.