Home / 9,630,979.03-13,290,747.85-5,279,971.91

Finding the Fourth Proportional to 9,630,979.03, 13,290,747.85 and 5,279,971.91

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Solution

The fourth proportional to 9,630,979.03, 13,290,747.85 and 5,279,971.91 is: 7,286,359.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,630,979.03 : 13,290,747.85 = 5,279,971.91 : x
  2. Step 2: Convert to fraction form
    9,630,979.03/13,290,747.85 = 5,279,971.91/x
  3. Step 3: Cross multiply
    9,630,979.03x = 13,290,747.85 × 5,279,971.91
  4. Step 4: Simplify right side
    9,630,979.03x = 70,174,775,360,733.20
  5. Step 5: Solve for x
    x = 70,174,775,360,733.20/9,630,979.03
  6. Step 6: Final answer
    x = 7,286,359.48

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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.