Home / 10,890,081.36-16,325,027.28-4,821,579.72

Finding the Fourth Proportional to 10,890,081.36, 16,325,027.28 and 4,821,579.72

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Solution

The fourth proportional to 10,890,081.36, 16,325,027.28 and 4,821,579.72 is: 7,227,900.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,081.36 : 16,325,027.28 = 4,821,579.72 : x
  2. Step 2: Convert to fraction form
    10,890,081.36/16,325,027.28 = 4,821,579.72/x
  3. Step 3: Cross multiply
    10,890,081.36x = 16,325,027.28 × 4,821,579.72
  4. Step 4: Simplify right side
    10,890,081.36x = 78,712,420,461,694.75
  5. Step 5: Solve for x
    x = 78,712,420,461,694.75/10,890,081.36
  6. Step 6: Final answer
    x = 7,227,900.13

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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.