Home / 37,157,729.28-51,274,727.37-20,636,256.48

Finding the Fourth Proportional to 37,157,729.28, 51,274,727.37 and 20,636,256.48

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Solution

The fourth proportional to 37,157,729.28, 51,274,727.37 and 20,636,256.48 is: 28,476,401.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,157,729.28 : 51,274,727.37 = 20,636,256.48 : x
  2. Step 2: Convert to fraction form
    37,157,729.28/51,274,727.37 = 20,636,256.48/x
  3. Step 3: Cross multiply
    37,157,729.28x = 51,274,727.37 × 20,636,256.48
  4. Step 4: Simplify right side
    37,157,729.28x = 1,058,118,424,949,395.88
  5. Step 5: Solve for x
    x = 1,058,118,424,949,395.88/37,157,729.28
  6. Step 6: Final answer
    x = 28,476,401.69

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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.