Home / 28,711,668.80-39,635,370.96-17,700,386.24

Finding the Fourth Proportional to 28,711,668.80, 39,635,370.96 and 17,700,386.24

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Solution

The fourth proportional to 28,711,668.80, 39,635,370.96 and 17,700,386.24 is: 24,434,712.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,711,668.80 : 39,635,370.96 = 17,700,386.24 : x
  2. Step 2: Convert to fraction form
    28,711,668.80/39,635,370.96 = 17,700,386.24/x
  3. Step 3: Cross multiply
    28,711,668.80x = 39,635,370.96 × 17,700,386.24
  4. Step 4: Simplify right side
    28,711,668.80x = 701,561,374,757,679.50
  5. Step 5: Solve for x
    x = 701,561,374,757,679.50/28,711,668.80
  6. Step 6: Final answer
    x = 24,434,712.58

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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.