Home / 30,815,999.10-46,223,998.65-15,699,455.10

Finding the Fourth Proportional to 30,815,999.10, 46,223,998.65 and 15,699,455.10

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Solution

The fourth proportional to 30,815,999.10, 46,223,998.65 and 15,699,455.10 is: 23,549,182.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,815,999.10 : 46,223,998.65 = 15,699,455.10 : x
  2. Step 2: Convert to fraction form
    30,815,999.10/46,223,998.65 = 15,699,455.10/x
  3. Step 3: Cross multiply
    30,815,999.10x = 46,223,998.65 × 15,699,455.10
  4. Step 4: Simplify right side
    30,815,999.10x = 725,691,591,348,135.62
  5. Step 5: Solve for x
    x = 725,691,591,348,135.62/30,815,999.10
  6. Step 6: Final answer
    x = 23,549,182.65

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1.5x scale

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.