Home / 13,645,516.97-18,830,670.01-7,450,544.23

Finding the Fourth Proportional to 13,645,516.97, 18,830,670.01 and 7,450,544.23

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Solution

The fourth proportional to 13,645,516.97, 18,830,670.01 and 7,450,544.23 is: 10,281,672.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645,516.97 : 18,830,670.01 = 7,450,544.23 : x
  2. Step 2: Convert to fraction form
    13,645,516.97/18,830,670.01 = 7,450,544.23/x
  3. Step 3: Cross multiply
    13,645,516.97x = 18,830,670.01 × 7,450,544.23
  4. Step 4: Simplify right side
    13,645,516.97x = 140,298,739,724,336.52
  5. Step 5: Solve for x
    x = 140,298,739,724,336.52/13,645,516.97
  6. Step 6: Final answer
    x = 10,281,672.73

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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.