Home / 7,067,015.84-9,751,421.52-3,969,420.32

Finding the Fourth Proportional to 7,067,015.84, 9,751,421.52 and 3,969,420.32

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Solution

The fourth proportional to 7,067,015.84, 9,751,421.52 and 3,969,420.32 is: 5,477,204.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,067,015.84 : 9,751,421.52 = 3,969,420.32 : x
  2. Step 2: Convert to fraction form
    7,067,015.84/9,751,421.52 = 3,969,420.32/x
  3. Step 3: Cross multiply
    7,067,015.84x = 9,751,421.52 × 3,969,420.32
  4. Step 4: Simplify right side
    7,067,015.84x = 38,707,490,730,373.28
  5. Step 5: Solve for x
    x = 38,707,490,730,373.28/7,067,015.84
  6. Step 6: Final answer
    x = 5,477,204.47

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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.