Home / 8,075,966.05-12,119,336.18-4,189,005.55

Finding the Fourth Proportional to 8,075,966.05, 12,119,336.18 and 4,189,005.55

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Solution

The fourth proportional to 8,075,966.05, 12,119,336.18 and 4,189,005.55 is: 6,286,302.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075,966.05 : 12,119,336.18 = 4,189,005.55 : x
  2. Step 2: Convert to fraction form
    8,075,966.05/12,119,336.18 = 4,189,005.55/x
  3. Step 3: Cross multiply
    8,075,966.05x = 12,119,336.18 × 4,189,005.55
  4. Step 4: Simplify right side
    8,075,966.05x = 50,767,966,520,335.80
  5. Step 5: Solve for x
    x = 50,767,966,520,335.80/8,075,966.05
  6. Step 6: Final answer
    x = 6,286,302.62

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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.