Home / 9,817,620.89-13,548,038.90-5,347,074.42

Finding the Fourth Proportional to 9,817,620.89, 13,548,038.90 and 5,347,074.42

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Solution

The fourth proportional to 9,817,620.89, 13,548,038.90 and 5,347,074.42 is: 7,378,811.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,817,620.89 : 13,548,038.90 = 5,347,074.42 : x
  2. Step 2: Convert to fraction form
    9,817,620.89/13,548,038.90 = 5,347,074.42/x
  3. Step 3: Cross multiply
    9,817,620.89x = 13,548,038.90 × 5,347,074.42
  4. Step 4: Simplify right side
    9,817,620.89x = 72,442,372,216,619.56
  5. Step 5: Solve for x
    x = 72,442,372,216,619.56/9,817,620.89
  6. Step 6: Final answer
    x = 7,378,811.33

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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.