Home / 9,870,912.21-13,621,602.99-5,460,800.73

Finding the Fourth Proportional to 9,870,912.21, 13,621,602.99 and 5,460,800.73

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Solution

The fourth proportional to 9,870,912.21, 13,621,602.99 and 5,460,800.73 is: 7,535,763.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,870,912.21 : 13,621,602.99 = 5,460,800.73 : x
  2. Step 2: Convert to fraction form
    9,870,912.21/13,621,602.99 = 5,460,800.73/x
  3. Step 3: Cross multiply
    9,870,912.21x = 13,621,602.99 × 5,460,800.73
  4. Step 4: Simplify right side
    9,870,912.21x = 74,384,859,551,562.19
  5. Step 5: Solve for x
    x = 74,384,859,551,562.19/9,870,912.21
  6. Step 6: Final answer
    x = 7,535,763.46

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1.5x scale

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.