Home / 8,291,075.76-12,427,179.72-5,045,455.08

Finding the Fourth Proportional to 8,291,075.76, 12,427,179.72 and 5,045,455.08

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Solution

The fourth proportional to 8,291,075.76, 12,427,179.72 and 5,045,455.08 is: 7,562,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291,075.76 : 12,427,179.72 = 5,045,455.08 : x
  2. Step 2: Convert to fraction form
    8,291,075.76/12,427,179.72 = 5,045,455.08/x
  3. Step 3: Cross multiply
    8,291,075.76x = 12,427,179.72 × 5,045,455.08
  4. Step 4: Simplify right side
    8,291,075.76x = 62,700,777,048,346.98
  5. Step 5: Solve for x
    x = 62,700,777,048,346.98/8,291,075.76
  6. Step 6: Final answer
    x = 7,562,441.70

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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.