Home / 13,508,742.14-18,642,037.38-7,313,787.16

Finding the Fourth Proportional to 13,508,742.14, 18,642,037.38 and 7,313,787.16

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Solution

The fourth proportional to 13,508,742.14, 18,642,037.38 and 7,313,787.16 is: 10,093,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508,742.14 : 18,642,037.38 = 7,313,787.16 : x
  2. Step 2: Convert to fraction form
    13,508,742.14/18,642,037.38 = 7,313,787.16/x
  3. Step 3: Cross multiply
    13,508,742.14x = 18,642,037.38 × 7,313,787.16
  4. Step 4: Simplify right side
    13,508,742.14x = 136,343,893,626,084.03
  5. Step 5: Solve for x
    x = 136,343,893,626,084.03/13,508,742.14
  6. Step 6: Final answer
    x = 10,093,011.79

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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.