Home / 28,703,940.24-39,621,036.20-17,105,140.88

Finding the Fourth Proportional to 28,703,940.24, 39,621,036.20 and 17,105,140.88

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Solution

The fourth proportional to 28,703,940.24, 39,621,036.20 and 17,105,140.88 is: 23,610,814.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,703,940.24 : 39,621,036.20 = 17,105,140.88 : x
  2. Step 2: Convert to fraction form
    28,703,940.24/39,621,036.20 = 17,105,140.88/x
  3. Step 3: Cross multiply
    28,703,940.24x = 39,621,036.20 × 17,105,140.88
  4. Step 4: Simplify right side
    28,703,940.24x = 677,723,406,012,579.88
  5. Step 5: Solve for x
    x = 677,723,406,012,579.88/28,703,940.24
  6. Step 6: Final answer
    x = 23,610,814.42

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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.