Home / 19,401,878.40-29,107,711.26-6,448,097.04

Finding the Fourth Proportional to 19,401,878.40, 29,107,711.26 and 6,448,097.04

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Solution

The fourth proportional to 19,401,878.40, 29,107,711.26 and 6,448,097.04 is: 9,673,771.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401,878.40 : 29,107,711.26 = 6,448,097.04 : x
  2. Step 2: Convert to fraction form
    19,401,878.40/29,107,711.26 = 6,448,097.04/x
  3. Step 3: Cross multiply
    19,401,878.40x = 29,107,711.26 × 6,448,097.04
  4. Step 4: Simplify right side
    19,401,878.40x = 187,689,346,816,780.69
  5. Step 5: Solve for x
    x = 187,689,346,816,780.69/19,401,878.40
  6. Step 6: Final answer
    x = 9,673,771.94

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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.