Home / 13,181,096.19-18,190,662.29-7,379,827.18

Finding the Fourth Proportional to 13,181,096.19, 18,190,662.29 and 7,379,827.18

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Solution

The fourth proportional to 13,181,096.19, 18,190,662.29 and 7,379,827.18 is: 10,184,581.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181,096.19 : 18,190,662.29 = 7,379,827.18 : x
  2. Step 2: Convert to fraction form
    13,181,096.19/18,190,662.29 = 7,379,827.18/x
  3. Step 3: Cross multiply
    13,181,096.19x = 18,190,662.29 × 7,379,827.18
  4. Step 4: Simplify right side
    13,181,096.19x = 134,243,943,989,943.03
  5. Step 5: Solve for x
    x = 134,243,943,989,943.03/13,181,096.19
  6. Step 6: Final answer
    x = 10,184,581.16

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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.