Home / 9,131,136.41-12,601,172.16-5,210,814.46

Finding the Fourth Proportional to 9,131,136.41, 12,601,172.16 and 5,210,814.46

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Solution

The fourth proportional to 9,131,136.41, 12,601,172.16 and 5,210,814.46 is: 7,191,040.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131,136.41 : 12,601,172.16 = 5,210,814.46 : x
  2. Step 2: Convert to fraction form
    9,131,136.41/12,601,172.16 = 5,210,814.46/x
  3. Step 3: Cross multiply
    9,131,136.41x = 12,601,172.16 × 5,210,814.46
  4. Step 4: Simplify right side
    9,131,136.41x = 65,662,370,104,277.44
  5. Step 5: Solve for x
    x = 65,662,370,104,277.44/9,131,136.41
  6. Step 6: Final answer
    x = 7,191,040.32

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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.