Home / 5,021,835.14-7,528,329.50-1,991,331.11

Finding the Fourth Proportional to 5,021,835.14, 7,528,329.50 and 1,991,331.11

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Solution

The fourth proportional to 5,021,835.14, 7,528,329.50 and 1,991,331.11 is: 2,985,242.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021,835.14 : 7,528,329.50 = 1,991,331.11 : x
  2. Step 2: Convert to fraction form
    5,021,835.14/7,528,329.50 = 1,991,331.11/x
  3. Step 3: Cross multiply
    5,021,835.14x = 7,528,329.50 × 1,991,331.11
  4. Step 4: Simplify right side
    5,021,835.14x = 14,991,396,739,680.75
  5. Step 5: Solve for x
    x = 14,991,396,739,680.75/5,021,835.14
  6. Step 6: Final answer
    x = 2,985,242.71

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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.