Home / 7,078,804.42-9,769,579.50-4,023,477.94

Finding the Fourth Proportional to 7,078,804.42, 9,769,579.50 and 4,023,477.94

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Solution

The fourth proportional to 7,078,804.42, 9,769,579.50 and 4,023,477.94 is: 5,552,870.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078,804.42 : 9,769,579.50 = 4,023,477.94 : x
  2. Step 2: Convert to fraction form
    7,078,804.42/9,769,579.50 = 4,023,477.94/x
  3. Step 3: Cross multiply
    7,078,804.42x = 9,769,579.50 × 4,023,477.94
  4. Step 4: Simplify right side
    7,078,804.42x = 39,307,687,601,326.23
  5. Step 5: Solve for x
    x = 39,307,687,601,326.23/7,078,804.42
  6. Step 6: Final answer
    x = 5,552,870.97

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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.