Home / 28,297,842.60-42,348,786.30-16,946,437.80

Finding the Fourth Proportional to 28,297,842.60, 42,348,786.30 and 16,946,437.80

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Solution

The fourth proportional to 28,297,842.60, 42,348,786.30 and 16,946,437.80 is: 25,360,981.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297,842.60 : 42,348,786.30 = 16,946,437.80 : x
  2. Step 2: Convert to fraction form
    28,297,842.60/42,348,786.30 = 16,946,437.80/x
  3. Step 3: Cross multiply
    28,297,842.60x = 42,348,786.30 × 16,946,437.80
  4. Step 4: Simplify right side
    28,297,842.60x = 717,661,072,938,442.12
  5. Step 5: Solve for x
    x = 717,661,072,938,442.12/28,297,842.60
  6. Step 6: Final answer
    x = 25,360,981.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.