Home / 6,771,645.36-10,156,418.28-1,978,048.08

Finding the Fourth Proportional to 6,771,645.36, 10,156,418.28 and 1,978,048.08

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Solution

The fourth proportional to 6,771,645.36, 10,156,418.28 and 1,978,048.08 is: 2,966,765.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,771,645.36 : 10,156,418.28 = 1,978,048.08 : x
  2. Step 2: Convert to fraction form
    6,771,645.36/10,156,418.28 = 1,978,048.08/x
  3. Step 3: Cross multiply
    6,771,645.36x = 10,156,418.28 × 1,978,048.08
  4. Step 4: Simplify right side
    6,771,645.36x = 20,089,883,678,430.90
  5. Step 5: Solve for x
    x = 20,089,883,678,430.90/6,771,645.36
  6. Step 6: Final answer
    x = 2,966,765.48

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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.