Home / 9,219,430.59-12,722,480.76-5,089,373.09

Finding the Fourth Proportional to 9,219,430.59, 12,722,480.76 and 5,089,373.09

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Solution

The fourth proportional to 9,219,430.59, 12,722,480.76 and 5,089,373.09 is: 7,023,150.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219,430.59 : 12,722,480.76 = 5,089,373.09 : x
  2. Step 2: Convert to fraction form
    9,219,430.59/12,722,480.76 = 5,089,373.09/x
  3. Step 3: Cross multiply
    9,219,430.59x = 12,722,480.76 × 5,089,373.09
  4. Step 4: Simplify right side
    9,219,430.59x = 64,749,451,221,168.80
  5. Step 5: Solve for x
    x = 64,749,451,221,168.80/9,219,430.59
  6. Step 6: Final answer
    x = 7,023,150.79

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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.