Home / 7,660,019.78-10,570,509.23-4,175,281.88

Finding the Fourth Proportional to 7,660,019.78, 10,570,509.23 and 4,175,281.88

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Solution

The fourth proportional to 7,660,019.78, 10,570,509.23 and 4,175,281.88 is: 5,761,715.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660,019.78 : 10,570,509.23 = 4,175,281.88 : x
  2. Step 2: Convert to fraction form
    7,660,019.78/10,570,509.23 = 4,175,281.88/x
  3. Step 3: Cross multiply
    7,660,019.78x = 10,570,509.23 × 4,175,281.88
  4. Step 4: Simplify right side
    7,660,019.78x = 44,134,855,576,662.80
  5. Step 5: Solve for x
    x = 44,134,855,576,662.80/7,660,019.78
  6. Step 6: Final answer
    x = 5,761,715.62

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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.