Home / 28,711,668.30-39,635,370.27-17,700,385.74

Finding the Fourth Proportional to 28,711,668.30, 39,635,370.27 and 17,700,385.74

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Solution

The fourth proportional to 28,711,668.30, 39,635,370.27 and 17,700,385.74 is: 24,434,711.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,711,668.30 : 39,635,370.27 = 17,700,385.74 : x
  2. Step 2: Convert to fraction form
    28,711,668.30/39,635,370.27 = 17,700,385.74/x
  3. Step 3: Cross multiply
    28,711,668.30x = 39,635,370.27 × 17,700,385.74
  4. Step 4: Simplify right side
    28,711,668.30x = 701,561,342,726,728
  5. Step 5: Solve for x
    x = 701,561,342,726,728/28,711,668.30
  6. Step 6: Final answer
    x = 24,434,711.89

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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.