Home / 7,325,191.80-10,987,787.70-5,412,004.20

Finding the Fourth Proportional to 7,325,191.80, 10,987,787.70 and 5,412,004.20

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Solution

The fourth proportional to 7,325,191.80, 10,987,787.70 and 5,412,004.20 is: 8,118,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325,191.80 : 10,987,787.70 = 5,412,004.20 : x
  2. Step 2: Convert to fraction form
    7,325,191.80/10,987,787.70 = 5,412,004.20/x
  3. Step 3: Cross multiply
    7,325,191.80x = 10,987,787.70 × 5,412,004.20
  4. Step 4: Simplify right side
    7,325,191.80x = 59,465,953,181,108.34
  5. Step 5: Solve for x
    x = 59,465,953,181,108.34/7,325,191.80
  6. Step 6: Final answer
    x = 8,118,006.30

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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.