Home / 21,740,426.40-32,673,625.20-21,362,512.80

Finding the Fourth Proportional to 21,740,426.40, 32,673,625.20 and 21,362,512.80

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Solution

The fourth proportional to 21,740,426.40, 32,673,625.20 and 21,362,512.80 is: 32,105,659.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,740,426.40 : 32,673,625.20 = 21,362,512.80 : x
  2. Step 2: Convert to fraction form
    21,740,426.40/32,673,625.20 = 21,362,512.80/x
  3. Step 3: Cross multiply
    21,740,426.40x = 32,673,625.20 × 21,362,512.80
  4. Step 4: Simplify right side
    21,740,426.40x = 697,990,736,557,402.62
  5. Step 5: Solve for x
    x = 697,990,736,557,402.62/21,740,426.40
  6. Step 6: Final answer
    x = 32,105,659.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.