Home / 7,621,100.10-10,517,129.66-4,136,440.13

Finding the Fourth Proportional to 7,621,100.10, 10,517,129.66 and 4,136,440.13

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Solution

The fourth proportional to 7,621,100.10, 10,517,129.66 and 4,136,440.13 is: 5,708,293.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621,100.10 : 10,517,129.66 = 4,136,440.13 : x
  2. Step 2: Convert to fraction form
    7,621,100.10/10,517,129.66 = 4,136,440.13/x
  3. Step 3: Cross multiply
    7,621,100.10x = 10,517,129.66 × 4,136,440.13
  4. Step 4: Simplify right side
    7,621,100.10x = 43,503,477,178,037.26
  5. Step 5: Solve for x
    x = 43,503,477,178,037.26/7,621,100.10
  6. Step 6: Final answer
    x = 5,708,293.63

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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.