Home / 7,508,279.25-10,369,978.97-5,089,632.21

Finding the Fourth Proportional to 7,508,279.25, 10,369,978.97 and 5,089,632.21

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Solution

The fourth proportional to 7,508,279.25, 10,369,978.97 and 5,089,632.21 is: 7,029,490.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,508,279.25 : 10,369,978.97 = 5,089,632.21 : x
  2. Step 2: Convert to fraction form
    7,508,279.25/10,369,978.97 = 5,089,632.21/x
  3. Step 3: Cross multiply
    7,508,279.25x = 10,369,978.97 × 5,089,632.21
  4. Step 4: Simplify right side
    7,508,279.25x = 52,779,378,957,286.46
  5. Step 5: Solve for x
    x = 52,779,378,957,286.46/7,508,279.25
  6. Step 6: Final answer
    x = 7,029,490.67

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1.5x scale

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.