Home / 8,809,223.81-12,158,190.93-5,138,140.38

Finding the Fourth Proportional to 8,809,223.81, 12,158,190.93 and 5,138,140.38

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Solution

The fourth proportional to 8,809,223.81, 12,158,190.93 and 5,138,140.38 is: 7,091,486.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809,223.81 : 12,158,190.93 = 5,138,140.38 : x
  2. Step 2: Convert to fraction form
    8,809,223.81/12,158,190.93 = 5,138,140.38/x
  3. Step 3: Cross multiply
    8,809,223.81x = 12,158,190.93 × 5,138,140.38
  4. Step 4: Simplify right side
    8,809,223.81x = 62,470,491,765,182.75
  5. Step 5: Solve for x
    x = 62,470,491,765,182.75/8,809,223.81
  6. Step 6: Final answer
    x = 7,091,486.50

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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.