Home / 7,083,928.71-9,774,924.08-4,028,208.57

Finding the Fourth Proportional to 7,083,928.71, 9,774,924.08 and 4,028,208.57

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Solution

The fourth proportional to 7,083,928.71, 9,774,924.08 and 4,028,208.57 is: 5,558,417.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083,928.71 : 9,774,924.08 = 4,028,208.57 : x
  2. Step 2: Convert to fraction form
    7,083,928.71/9,774,924.08 = 4,028,208.57/x
  3. Step 3: Cross multiply
    7,083,928.71x = 9,774,924.08 × 4,028,208.57
  4. Step 4: Simplify right side
    7,083,928.71x = 39,375,432,930,014.32
  5. Step 5: Solve for x
    x = 39,375,432,930,014.32/7,083,928.71
  6. Step 6: Final answer
    x = 5,558,417.45

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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.