Home / 13,052,570.12-19,483,044.42-12,090,661.90

Finding the Fourth Proportional to 13,052,570.12, 19,483,044.42 and 12,090,661.90

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Solution

The fourth proportional to 13,052,570.12, 19,483,044.42 and 12,090,661.90 is: 18,047,242.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052,570.12 : 19,483,044.42 = 12,090,661.90 : x
  2. Step 2: Convert to fraction form
    13,052,570.12/19,483,044.42 = 12,090,661.90/x
  3. Step 3: Cross multiply
    13,052,570.12x = 19,483,044.42 × 12,090,661.90
  4. Step 4: Simplify right side
    13,052,570.12x = 235,562,902,864,901.62
  5. Step 5: Solve for x
    x = 235,562,902,864,901.62/13,052,570.12
  6. Step 6: Final answer
    x = 18,047,242.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.