Home / 7,450,752.70-11,167,271.70-6,689,020.60

Finding the Fourth Proportional to 7,450,752.70, 11,167,271.70 and 6,689,020.60

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Solution

The fourth proportional to 7,450,752.70, 11,167,271.70 and 6,689,020.60 is: 10,025,579.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450,752.70 : 11,167,271.70 = 6,689,020.60 : x
  2. Step 2: Convert to fraction form
    7,450,752.70/11,167,271.70 = 6,689,020.60/x
  3. Step 3: Cross multiply
    7,450,752.70x = 11,167,271.70 × 6,689,020.60
  4. Step 4: Simplify right side
    7,450,752.70x = 74,698,110,447,097.02
  5. Step 5: Solve for x
    x = 74,698,110,447,097.02/7,450,752.70
  6. Step 6: Final answer
    x = 10,025,579.09

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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.