Home / 10,291,288.70-15,425,873.85-3,899,071.10

Finding the Fourth Proportional to 10,291,288.70, 15,425,873.85 and 3,899,071.10

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Solution

The fourth proportional to 10,291,288.70, 15,425,873.85 and 3,899,071.10 is: 5,844,416.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291,288.70 : 15,425,873.85 = 3,899,071.10 : x
  2. Step 2: Convert to fraction form
    10,291,288.70/15,425,873.85 = 3,899,071.10/x
  3. Step 3: Cross multiply
    10,291,288.70x = 15,425,873.85 × 3,899,071.10
  4. Step 4: Simplify right side
    10,291,288.70x = 60,146,578,920,780.73
  5. Step 5: Solve for x
    x = 60,146,578,920,780.73/10,291,288.70
  6. Step 6: Final answer
    x = 5,844,416.64

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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.