Home / 31,289,489.40-46,934,234.10-28,266,180.60

Finding the Fourth Proportional to 31,289,489.40, 46,934,234.10 and 28,266,180.60

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Solution

The fourth proportional to 31,289,489.40, 46,934,234.10 and 28,266,180.60 is: 42,399,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,289,489.40 : 46,934,234.10 = 28,266,180.60 : x
  2. Step 2: Convert to fraction form
    31,289,489.40/46,934,234.10 = 28,266,180.60/x
  3. Step 3: Cross multiply
    31,289,489.40x = 46,934,234.10 × 28,266,180.60
  4. Step 4: Simplify right side
    31,289,489.40x = 1,326,651,537,393,278.50
  5. Step 5: Solve for x
    x = 1,326,651,537,393,278.50/31,289,489.40
  6. Step 6: Final answer
    x = 42,399,270.90

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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.