Home / 19,401,814.40-29,102,721.60-13,355,196.80

Finding the Fourth Proportional to 19,401,814.40, 29,102,721.60 and 13,355,196.80

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Solution

The fourth proportional to 19,401,814.40, 29,102,721.60 and 13,355,196.80 is: 20,032,795.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401,814.40 : 29,102,721.60 = 13,355,196.80 : x
  2. Step 2: Convert to fraction form
    19,401,814.40/29,102,721.60 = 13,355,196.80/x
  3. Step 3: Cross multiply
    19,401,814.40x = 29,102,721.60 × 13,355,196.80
  4. Step 4: Simplify right side
    19,401,814.40x = 388,672,574,383,610.94
  5. Step 5: Solve for x
    x = 388,672,574,383,610.94/19,401,814.40
  6. Step 6: Final answer
    x = 20,032,795.20

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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.