Home / 7,175,780.40-10,763,670.60-5,286,212.40

Finding the Fourth Proportional to 7,175,780.40, 10,763,670.60 and 5,286,212.40

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Solution

The fourth proportional to 7,175,780.40, 10,763,670.60 and 5,286,212.40 is: 7,929,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175,780.40 : 10,763,670.60 = 5,286,212.40 : x
  2. Step 2: Convert to fraction form
    7,175,780.40/10,763,670.60 = 5,286,212.40/x
  3. Step 3: Cross multiply
    7,175,780.40x = 10,763,670.60 × 5,286,212.40
  4. Step 4: Simplify right side
    7,175,780.40x = 56,899,048,995,235.45
  5. Step 5: Solve for x
    x = 56,899,048,995,235.45/7,175,780.40
  6. Step 6: Final answer
    x = 7,929,318.60

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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.