Home / 30,618,107.26-45,927,225.72-28,747,434.94

Finding the Fourth Proportional to 30,618,107.26, 45,927,225.72 and 28,747,434.94

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Solution

The fourth proportional to 30,618,107.26, 45,927,225.72 and 28,747,434.94 is: 43,121,213.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,618,107.26 : 45,927,225.72 = 28,747,434.94 : x
  2. Step 2: Convert to fraction form
    30,618,107.26/45,927,225.72 = 28,747,434.94/x
  3. Step 3: Cross multiply
    30,618,107.26x = 45,927,225.72 × 28,747,434.94
  4. Step 4: Simplify right side
    30,618,107.26x = 1,320,289,933,360,394.75
  5. Step 5: Solve for x
    x = 1,320,289,933,360,394.75/30,618,107.26
  6. Step 6: Final answer
    x = 43,121,213.28

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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.