Home / 27,481,946.70-37,904,071.40-18,668,193.77

Finding the Fourth Proportional to 27,481,946.70, 37,904,071.40 and 18,668,193.77

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Solution

The fourth proportional to 27,481,946.70, 37,904,071.40 and 18,668,193.77 is: 25,747,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,481,946.70 : 37,904,071.40 = 18,668,193.77 : x
  2. Step 2: Convert to fraction form
    27,481,946.70/37,904,071.40 = 18,668,193.77/x
  3. Step 3: Cross multiply
    27,481,946.70x = 37,904,071.40 × 18,668,193.77
  4. Step 4: Simplify right side
    27,481,946.70x = 707,600,549,638,540.12
  5. Step 5: Solve for x
    x = 707,600,549,638,540.12/27,481,946.70
  6. Step 6: Final answer
    x = 25,747,832.10

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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.