Home / 28,917,000.80-43,375,501.20-12,734,622.36

Finding the Fourth Proportional to 28,917,000.80, 43,375,501.20 and 12,734,622.36

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Solution

The fourth proportional to 28,917,000.80, 43,375,501.20 and 12,734,622.36 is: 19,101,933.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,917,000.80 : 43,375,501.20 = 12,734,622.36 : x
  2. Step 2: Convert to fraction form
    28,917,000.80/43,375,501.20 = 12,734,622.36/x
  3. Step 3: Cross multiply
    28,917,000.80x = 43,375,501.20 × 12,734,622.36
  4. Step 4: Simplify right side
    28,917,000.80x = 552,370,627,457,726.88
  5. Step 5: Solve for x
    x = 552,370,627,457,726.88/28,917,000.80
  6. Step 6: Final answer
    x = 19,101,933.54

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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.