Home / 7,670,433.78-11,502,660.56-2,875,506.75

Finding the Fourth Proportional to 7,670,433.78, 11,502,660.56 and 2,875,506.75

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Solution

The fourth proportional to 7,670,433.78, 11,502,660.56 and 2,875,506.75 is: 4,312,139.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670,433.78 : 11,502,660.56 = 2,875,506.75 : x
  2. Step 2: Convert to fraction form
    7,670,433.78/11,502,660.56 = 2,875,506.75/x
  3. Step 3: Cross multiply
    7,670,433.78x = 11,502,660.56 × 2,875,506.75
  4. Step 4: Simplify right side
    7,670,433.78x = 33,075,978,068,861.25
  5. Step 5: Solve for x
    x = 33,075,978,068,861.25/7,670,433.78
  6. Step 6: Final answer
    x = 4,312,139.19

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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.