Home / 7,528,313.43-10,389,135.87-4,090,554.54

Finding the Fourth Proportional to 7,528,313.43, 10,389,135.87 and 4,090,554.54

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Solution

The fourth proportional to 7,528,313.43, 10,389,135.87 and 4,090,554.54 is: 5,644,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528,313.43 : 10,389,135.87 = 4,090,554.54 : x
  2. Step 2: Convert to fraction form
    7,528,313.43/10,389,135.87 = 4,090,554.54/x
  3. Step 3: Cross multiply
    7,528,313.43x = 10,389,135.87 × 4,090,554.54
  4. Step 4: Simplify right side
    7,528,313.43x = 42,497,326,899,705.34
  5. Step 5: Solve for x
    x = 42,497,326,899,705.34/7,528,313.43
  6. Step 6: Final answer
    x = 5,644,999.68

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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.