Home / 5,109,711.21-7,051,164.30-2,932,722.21

Finding the Fourth Proportional to 5,109,711.21, 7,051,164.30 and 2,932,722.21

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Solution

The fourth proportional to 5,109,711.21, 7,051,164.30 and 2,932,722.21 is: 4,047,020.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109,711.21 : 7,051,164.30 = 2,932,722.21 : x
  2. Step 2: Convert to fraction form
    5,109,711.21/7,051,164.30 = 2,932,722.21/x
  3. Step 3: Cross multiply
    5,109,711.21x = 7,051,164.30 × 2,932,722.21
  4. Step 4: Simplify right side
    5,109,711.21x = 20,679,106,148,969.10
  5. Step 5: Solve for x
    x = 20,679,106,148,969.10/5,109,711.21
  6. Step 6: Final answer
    x = 4,047,020.53

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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.