Home / 28,293,412-39,044,908.96-15,416,356

Finding the Fourth Proportional to 28,293,412, 39,044,908.96 and 15,416,356

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Solution

The fourth proportional to 28,293,412, 39,044,908.96 and 15,416,356 is: 21,274,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293,412 : 39,044,908.96 = 15,416,356 : x
  2. Step 2: Convert to fraction form
    28,293,412/39,044,908.96 = 15,416,356/x
  3. Step 3: Cross multiply
    28,293,412x = 39,044,908.96 × 15,416,356
  4. Step 4: Simplify right side
    28,293,412x = 601,930,216,514,949.75
  5. Step 5: Solve for x
    x = 601,930,216,514,949.75/28,293,412
  6. Step 6: Final answer
    x = 21,274,571.50

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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.