Home / 13,297,851.48-18,350,243.97-7,715,666.94

Finding the Fourth Proportional to 13,297,851.48, 18,350,243.97 and 7,715,666.94

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Solution

The fourth proportional to 13,297,851.48, 18,350,243.97 and 7,715,666.94 is: 10,647,161.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297,851.48 : 18,350,243.97 = 7,715,666.94 : x
  2. Step 2: Convert to fraction form
    13,297,851.48/18,350,243.97 = 7,715,666.94/x
  3. Step 3: Cross multiply
    13,297,851.48x = 18,350,243.97 × 7,715,666.94
  4. Step 4: Simplify right side
    13,297,851.48x = 141,584,370,740,263.34
  5. Step 5: Solve for x
    x = 141,584,370,740,263.34/13,297,851.48
  6. Step 6: Final answer
    x = 10,647,161.38

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1.5x scale

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.