Home / 31,156,670.70-46,743,644.70-12,969,432.90

Finding the Fourth Proportional to 31,156,670.70, 46,743,644.70 and 12,969,432.90

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Solution

The fourth proportional to 31,156,670.70, 46,743,644.70 and 12,969,432.90 is: 19,457,745.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,156,670.70 : 46,743,644.70 = 12,969,432.90 : x
  2. Step 2: Convert to fraction form
    31,156,670.70/46,743,644.70 = 12,969,432.90/x
  3. Step 3: Cross multiply
    31,156,670.70x = 46,743,644.70 × 12,969,432.90
  4. Step 4: Simplify right side
    31,156,670.70x = 606,238,563,438,090.62
  5. Step 5: Solve for x
    x = 606,238,563,438,090.62/31,156,670.70
  6. Step 6: Final answer
    x = 19,457,745.32

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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.