Home / 10,741,128.40-16,120,505.40-10,657,147.60

Finding the Fourth Proportional to 10,741,128.40, 16,120,505.40 and 10,657,147.60

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Solution

The fourth proportional to 10,741,128.40, 16,120,505.40 and 10,657,147.60 is: 15,994,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,741,128.40 : 16,120,505.40 = 10,657,147.60 : x
  2. Step 2: Convert to fraction form
    10,741,128.40/16,120,505.40 = 10,657,147.60/x
  3. Step 3: Cross multiply
    10,741,128.40x = 16,120,505.40 × 10,657,147.60
  4. Step 4: Simplify right side
    10,741,128.40x = 171,798,605,434,397.03
  5. Step 5: Solve for x
    x = 171,798,605,434,397.03/10,741,128.40
  6. Step 6: Final answer
    x = 15,994,465.30

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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.