Home / 28,293,173.76-39,044,579.78-15,416,117.76

Finding the Fourth Proportional to 28,293,173.76, 39,044,579.78 and 15,416,117.76

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Solution

The fourth proportional to 28,293,173.76, 39,044,579.78 and 15,416,117.76 is: 21,274,242.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293,173.76 : 39,044,579.78 = 15,416,117.76 : x
  2. Step 2: Convert to fraction form
    28,293,173.76/39,044,579.78 = 15,416,117.76/x
  3. Step 3: Cross multiply
    28,293,173.76x = 39,044,579.78 × 15,416,117.76
  4. Step 4: Simplify right side
    28,293,173.76x = 601,915,839,778,194.88
  5. Step 5: Solve for x
    x = 601,915,839,778,194.88/28,293,173.76
  6. Step 6: Final answer
    x = 21,274,242.50

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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.