Home / 28,362,571.60-39,139,817.34-17,348,512.36

Finding the Fourth Proportional to 28,362,571.60, 39,139,817.34 and 17,348,512.36

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Solution

The fourth proportional to 28,362,571.60, 39,139,817.34 and 17,348,512.36 is: 23,940,621.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,362,571.60 : 39,139,817.34 = 17,348,512.36 : x
  2. Step 2: Convert to fraction form
    28,362,571.60/39,139,817.34 = 17,348,512.36/x
  3. Step 3: Cross multiply
    28,362,571.60x = 39,139,817.34 × 17,348,512.36
  4. Step 4: Simplify right side
    28,362,571.60x = 679,017,604,891,132.38
  5. Step 5: Solve for x
    x = 679,017,604,891,132.38/28,362,571.60
  6. Step 6: Final answer
    x = 23,940,621.97

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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.