Home / 29,089,402.76-40,143,685.19-16,037,128.78

Finding the Fourth Proportional to 29,089,402.76, 40,143,685.19 and 16,037,128.78

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Solution

The fourth proportional to 29,089,402.76, 40,143,685.19 and 16,037,128.78 is: 22,131,408.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,089,402.76 : 40,143,685.19 = 16,037,128.78 : x
  2. Step 2: Convert to fraction form
    29,089,402.76/40,143,685.19 = 16,037,128.78/x
  3. Step 3: Cross multiply
    29,089,402.76x = 40,143,685.19 × 16,037,128.78
  4. Step 4: Simplify right side
    29,089,402.76x = 643,789,448,915,264
  5. Step 5: Solve for x
    x = 643,789,448,915,264/29,089,402.76
  6. Step 6: Final answer
    x = 22,131,408.27

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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.