Home / 9,870,913.21-13,621,604.37-5,460,801.73

Finding the Fourth Proportional to 9,870,913.21, 13,621,604.37 and 5,460,801.73

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Solution

The fourth proportional to 9,870,913.21, 13,621,604.37 and 5,460,801.73 is: 7,535,764.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,870,913.21 : 13,621,604.37 = 5,460,801.73 : x
  2. Step 2: Convert to fraction form
    9,870,913.21/13,621,604.37 = 5,460,801.73/x
  3. Step 3: Cross multiply
    9,870,913.21x = 13,621,604.37 × 5,460,801.73
  4. Step 4: Simplify right side
    9,870,913.21x = 74,384,880,709,071.56
  5. Step 5: Solve for x
    x = 74,384,880,709,071.56/9,870,913.21
  6. Step 6: Final answer
    x = 7,535,764.84

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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.