Home / 8,075,214.37-11,140,981.86-5,176,203.76

Finding the Fourth Proportional to 8,075,214.37, 11,140,981.86 and 5,176,203.76

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Solution

The fourth proportional to 8,075,214.37, 11,140,981.86 and 5,176,203.76 is: 7,141,357.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075,214.37 : 11,140,981.86 = 5,176,203.76 : x
  2. Step 2: Convert to fraction form
    8,075,214.37/11,140,981.86 = 5,176,203.76/x
  3. Step 3: Cross multiply
    8,075,214.37x = 11,140,981.86 × 5,176,203.76
  4. Step 4: Simplify right side
    8,075,214.37x = 57,667,992,193,823.79
  5. Step 5: Solve for x
    x = 57,667,992,193,823.79/8,075,214.37
  6. Step 6: Final answer
    x = 7,141,357.44

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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.