Home / 13,366,441.12-18,445,724.24-7,254,869.64

Finding the Fourth Proportional to 13,366,441.12, 18,445,724.24 and 7,254,869.64

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Solution

The fourth proportional to 13,366,441.12, 18,445,724.24 and 7,254,869.64 is: 10,011,739.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,441.12 : 18,445,724.24 = 7,254,869.64 : x
  2. Step 2: Convert to fraction form
    13,366,441.12/18,445,724.24 = 7,254,869.64/x
  3. Step 3: Cross multiply
    13,366,441.12x = 18,445,724.24 × 7,254,869.64
  4. Step 4: Simplify right side
    13,366,441.12x = 133,821,324,776,588.06
  5. Step 5: Solve for x
    x = 133,821,324,776,588.06/13,366,441.12
  6. Step 6: Final answer
    x = 10,011,739.37

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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.