Home / 31,131,659.40-46,697,489.10-16,782,752.40

Finding the Fourth Proportional to 31,131,659.40, 46,697,489.10 and 16,782,752.40

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Solution

The fourth proportional to 31,131,659.40, 46,697,489.10 and 16,782,752.40 is: 25,174,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,131,659.40 : 46,697,489.10 = 16,782,752.40 : x
  2. Step 2: Convert to fraction form
    31,131,659.40/46,697,489.10 = 16,782,752.40/x
  3. Step 3: Cross multiply
    31,131,659.40x = 46,697,489.10 × 16,782,752.40
  4. Step 4: Simplify right side
    31,131,659.40x = 783,712,397,266,998.75
  5. Step 5: Solve for x
    x = 783,712,397,266,998.75/31,131,659.40
  6. Step 6: Final answer
    x = 25,174,128.60

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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.