Home / 9,131,569.23-12,598,059.49-5,211,543.16

Finding the Fourth Proportional to 9,131,569.23, 12,598,059.49 and 5,211,543.16

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Solution

The fourth proportional to 9,131,569.23, 12,598,059.49 and 5,211,543.16 is: 7,189,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131,569.23 : 12,598,059.49 = 5,211,543.16 : x
  2. Step 2: Convert to fraction form
    9,131,569.23/12,598,059.49 = 5,211,543.16/x
  3. Step 3: Cross multiply
    9,131,569.23x = 12,598,059.49 × 5,211,543.16
  4. Step 4: Simplify right side
    9,131,569.23x = 65,655,330,764,382.59
  5. Step 5: Solve for x
    x = 65,655,330,764,382.59/9,131,569.23
  6. Step 6: Final answer
    x = 7,189,928.60

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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.