Home / 8,075,231.37-11,141,005.32-5,176,220.76

Finding the Fourth Proportional to 8,075,231.37, 11,141,005.32 and 5,176,220.76

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Solution

The fourth proportional to 8,075,231.37, 11,141,005.32 and 5,176,220.76 is: 7,141,380.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075,231.37 : 11,141,005.32 = 5,176,220.76 : x
  2. Step 2: Convert to fraction form
    8,075,231.37/11,141,005.32 = 5,176,220.76/x
  3. Step 3: Cross multiply
    8,075,231.37x = 11,141,005.32 × 5,176,220.76
  4. Step 4: Simplify right side
    8,075,231.37x = 57,668,303,024,654.45
  5. Step 5: Solve for x
    x = 57,668,303,024,654.45/8,075,231.37
  6. Step 6: Final answer
    x = 7,141,380.89

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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.