Home / 7,219,886.60-9,963,553.74-3,956,674.84

Finding the Fourth Proportional to 7,219,886.60, 9,963,553.74 and 3,956,674.84

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Solution

The fourth proportional to 7,219,886.60, 9,963,553.74 and 3,956,674.84 is: 5,460,271.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219,886.60 : 9,963,553.74 = 3,956,674.84 : x
  2. Step 2: Convert to fraction form
    7,219,886.60/9,963,553.74 = 3,956,674.84/x
  3. Step 3: Cross multiply
    7,219,886.60x = 9,963,553.74 × 3,956,674.84
  4. Step 4: Simplify right side
    7,219,886.60x = 39,422,542,360,299.48
  5. Step 5: Solve for x
    x = 39,422,542,360,299.48/7,219,886.60
  6. Step 6: Final answer
    x = 5,460,271.68

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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.