Home / 13,042,072.50-17,997,357.48-7,240,480.80

Finding the Fourth Proportional to 13,042,072.50, 17,997,357.48 and 7,240,480.80

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Solution

The fourth proportional to 13,042,072.50, 17,997,357.48 and 7,240,480.80 is: 9,991,473.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042,072.50 : 17,997,357.48 = 7,240,480.80 : x
  2. Step 2: Convert to fraction form
    13,042,072.50/17,997,357.48 = 7,240,480.80/x
  3. Step 3: Cross multiply
    13,042,072.50x = 17,997,357.48 × 7,240,480.80
  4. Step 4: Simplify right side
    13,042,072.50x = 130,309,521,284,676.39
  5. Step 5: Solve for x
    x = 130,309,521,284,676.39/13,042,072.50
  6. Step 6: Final answer
    x = 9,991,473.46

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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.