Home / 6,985,792.70-9,640,320.27-3,888,266.69

Finding the Fourth Proportional to 6,985,792.70, 9,640,320.27 and 3,888,266.69

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Solution

The fourth proportional to 6,985,792.70, 9,640,320.27 and 3,888,266.69 is: 5,365,767.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985,792.70 : 9,640,320.27 = 3,888,266.69 : x
  2. Step 2: Convert to fraction form
    6,985,792.70/9,640,320.27 = 3,888,266.69/x
  3. Step 3: Cross multiply
    6,985,792.70x = 9,640,320.27 × 3,888,266.69
  4. Step 4: Simplify right side
    6,985,792.70x = 37,484,136,138,571.20
  5. Step 5: Solve for x
    x = 37,484,136,138,571.20/6,985,792.70
  6. Step 6: Final answer
    x = 5,365,767.03

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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.