Home / 8,143,765.60-12,205,150.80-4,945,496.80

Finding the Fourth Proportional to 8,143,765.60, 12,205,150.80 and 4,945,496.80

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Solution

The fourth proportional to 8,143,765.60, 12,205,150.80 and 4,945,496.80 is: 7,411,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,765.60 : 12,205,150.80 = 4,945,496.80 : x
  2. Step 2: Convert to fraction form
    8,143,765.60/12,205,150.80 = 4,945,496.80/x
  3. Step 3: Cross multiply
    8,143,765.60x = 12,205,150.80 × 4,945,496.80
  4. Step 4: Simplify right side
    8,143,765.60x = 60,360,534,224,917.45
  5. Step 5: Solve for x
    x = 60,360,534,224,917.45/8,143,765.60
  6. Step 6: Final answer
    x = 7,411,870.28

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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.