Home / 6,431,404.80-9,638,812.80-4,928,044.80

Finding the Fourth Proportional to 6,431,404.80, 9,638,812.80 and 4,928,044.80

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Solution

The fourth proportional to 6,431,404.80, 9,638,812.80 and 4,928,044.80 is: 7,385,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431,404.80 : 9,638,812.80 = 4,928,044.80 : x
  2. Step 2: Convert to fraction form
    6,431,404.80/9,638,812.80 = 4,928,044.80/x
  3. Step 3: Cross multiply
    6,431,404.80x = 9,638,812.80 × 4,928,044.80
  4. Step 4: Simplify right side
    6,431,404.80x = 47,500,501,297,213.45
  5. Step 5: Solve for x
    x = 47,500,501,297,213.45/6,431,404.80
  6. Step 6: Final answer
    x = 7,385,711.64

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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.