Home / 13,337,028.88-18,405,118.59-7,225,457.38

Finding the Fourth Proportional to 13,337,028.88, 18,405,118.59 and 7,225,457.38

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Solution

The fourth proportional to 13,337,028.88, 18,405,118.59 and 7,225,457.38 is: 9,971,141.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337,028.88 : 18,405,118.59 = 7,225,457.38 : x
  2. Step 2: Convert to fraction form
    13,337,028.88/18,405,118.59 = 7,225,457.38/x
  3. Step 3: Cross multiply
    13,337,028.88x = 18,405,118.59 × 7,225,457.38
  4. Step 4: Simplify right side
    13,337,028.88x = 132,985,399,872,782.44
  5. Step 5: Solve for x
    x = 132,985,399,872,782.44/13,337,028.88
  6. Step 6: Final answer
    x = 9,971,141.33

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1.5x scale

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.