Home / 13,042,199.40-17,997,532.40-7,240,607.80

Finding the Fourth Proportional to 13,042,199.40, 17,997,532.40 and 7,240,607.80

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Solution

The fourth proportional to 13,042,199.40, 17,997,532.40 and 7,240,607.80 is: 9,991,648.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042,199.40 : 17,997,532.40 = 7,240,607.80 : x
  2. Step 2: Convert to fraction form
    13,042,199.40/17,997,532.40 = 7,240,607.80/x
  3. Step 3: Cross multiply
    13,042,199.40x = 17,997,532.40 × 7,240,607.80
  4. Step 4: Simplify right side
    13,042,199.40x = 130,313,073,476,192.70
  5. Step 5: Solve for x
    x = 130,313,073,476,192.70/13,042,199.40
  6. Step 6: Final answer
    x = 9,991,648.61

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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.