Home / 30,310,376.62-45,494,308.76-18,760,907.74

Finding the Fourth Proportional to 30,310,376.62, 45,494,308.76 and 18,760,907.74

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Solution

The fourth proportional to 30,310,376.62, 45,494,308.76 and 18,760,907.74 is: 28,159,152.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310,376.62 : 45,494,308.76 = 18,760,907.74 : x
  2. Step 2: Convert to fraction form
    30,310,376.62/45,494,308.76 = 18,760,907.74/x
  3. Step 3: Cross multiply
    30,310,376.62x = 45,494,308.76 × 18,760,907.74
  4. Step 4: Simplify right side
    30,310,376.62x = 853,514,529,341,433.75
  5. Step 5: Solve for x
    x = 853,514,529,341,433.75/30,310,376.62
  6. Step 6: Final answer
    x = 28,159,152.89

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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.