Home / 13,106,079.40-19,659,119.10-7,366,516.60

Finding the Fourth Proportional to 13,106,079.40, 19,659,119.10 and 7,366,516.60

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Solution

The fourth proportional to 13,106,079.40, 19,659,119.10 and 7,366,516.60 is: 11,049,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106,079.40 : 19,659,119.10 = 7,366,516.60 : x
  2. Step 2: Convert to fraction form
    13,106,079.40/19,659,119.10 = 7,366,516.60/x
  3. Step 3: Cross multiply
    13,106,079.40x = 19,659,119.10 × 7,366,516.60
  4. Step 4: Simplify right side
    13,106,079.40x = 144,819,227,191,527.06
  5. Step 5: Solve for x
    x = 144,819,227,191,527.06/13,106,079.40
  6. Step 6: Final answer
    x = 11,049,774.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.