Home / 7,128,003.40-10,692,005.10-4,104,694.60

Finding the Fourth Proportional to 7,128,003.40, 10,692,005.10 and 4,104,694.60

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Solution

The fourth proportional to 7,128,003.40, 10,692,005.10 and 4,104,694.60 is: 6,157,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,003.40 : 10,692,005.10 = 4,104,694.60 : x
  2. Step 2: Convert to fraction form
    7,128,003.40/10,692,005.10 = 4,104,694.60/x
  3. Step 3: Cross multiply
    7,128,003.40x = 10,692,005.10 × 4,104,694.60
  4. Step 4: Simplify right side
    7,128,003.40x = 43,887,415,597,142.46
  5. Step 5: Solve for x
    x = 43,887,415,597,142.46/7,128,003.40
  6. Step 6: Final answer
    x = 6,157,041.90

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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.