Home / 8,287,864.84-12,408,423.90-4,388,485.96

Finding the Fourth Proportional to 8,287,864.84, 12,408,423.90 and 4,388,485.96

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Solution

The fourth proportional to 8,287,864.84, 12,408,423.90 and 4,388,485.96 is: 6,570,352.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287,864.84 : 12,408,423.90 = 4,388,485.96 : x
  2. Step 2: Convert to fraction form
    8,287,864.84/12,408,423.90 = 4,388,485.96/x
  3. Step 3: Cross multiply
    8,287,864.84x = 12,408,423.90 × 4,388,485.96
  4. Step 4: Simplify right side
    8,287,864.84x = 54,454,194,070,878.45
  5. Step 5: Solve for x
    x = 54,454,194,070,878.45/8,287,864.84
  6. Step 6: Final answer
    x = 6,570,352.57

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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.