Home / 7,913,009.30-11,867,853-2,231,905.01

Finding the Fourth Proportional to 7,913,009.30, 11,867,853 and 2,231,905.01

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Solution

The fourth proportional to 7,913,009.30, 11,867,853 and 2,231,905.01 is: 3,347,389.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913,009.30 : 11,867,853 = 2,231,905.01 : x
  2. Step 2: Convert to fraction form
    7,913,009.30/11,867,853 = 2,231,905.01/x
  3. Step 3: Cross multiply
    7,913,009.30x = 11,867,853 × 2,231,905.01
  4. Step 4: Simplify right side
    7,913,009.30x = 26,487,920,568,643.53
  5. Step 5: Solve for x
    x = 26,487,920,568,643.53/7,913,009.30
  6. Step 6: Final answer
    x = 3,347,389.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.