Home / 13,081,411.10-18,052,171.11-7,280,191.31

Finding the Fourth Proportional to 13,081,411.10, 18,052,171.11 and 7,280,191.31

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Solution

The fourth proportional to 13,081,411.10, 18,052,171.11 and 7,280,191.31 is: 10,046,565.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081,411.10 : 18,052,171.11 = 7,280,191.31 : x
  2. Step 2: Convert to fraction form
    13,081,411.10/18,052,171.11 = 7,280,191.31/x
  3. Step 3: Cross multiply
    13,081,411.10x = 18,052,171.11 × 7,280,191.31
  4. Step 4: Simplify right side
    13,081,411.10x = 131,423,259,151,394.19
  5. Step 5: Solve for x
    x = 131,423,259,151,394.19/13,081,411.10
  6. Step 6: Final answer
    x = 10,046,565.93

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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.