Home / 13,029,447.42-17,980,658.46-7,228,229.04

Finding the Fourth Proportional to 13,029,447.42, 17,980,658.46 and 7,228,229.04

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Solution

The fourth proportional to 13,029,447.42, 17,980,658.46 and 7,228,229.04 is: 9,974,967.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029,447.42 : 17,980,658.46 = 7,228,229.04 : x
  2. Step 2: Convert to fraction form
    13,029,447.42/17,980,658.46 = 7,228,229.04/x
  3. Step 3: Cross multiply
    13,029,447.42x = 17,980,658.46 × 7,228,229.04
  4. Step 4: Simplify right side
    13,029,447.42x = 129,968,317,638,893.69
  5. Step 5: Solve for x
    x = 129,968,317,638,893.69/13,029,447.42
  6. Step 6: Final answer
    x = 9,974,967.74

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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.