Home / 15,454,228.34-21,325,768.30-8,578,169.12

Finding the Fourth Proportional to 15,454,228.34, 21,325,768.30 and 8,578,169.12

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Solution

The fourth proportional to 15,454,228.34, 21,325,768.30 and 8,578,169.12 is: 11,837,281.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,454,228.34 : 21,325,768.30 = 8,578,169.12 : x
  2. Step 2: Convert to fraction form
    15,454,228.34/21,325,768.30 = 8,578,169.12/x
  3. Step 3: Cross multiply
    15,454,228.34x = 21,325,768.30 × 8,578,169.12
  4. Step 4: Simplify right side
    15,454,228.34x = 182,936,047,091,334.88
  5. Step 5: Solve for x
    x = 182,936,047,091,334.88/15,454,228.34
  6. Step 6: Final answer
    x = 11,837,281.23

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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.