Home / 13,859,893.18-19,126,779.83-7,664,619.70

Finding the Fourth Proportional to 13,859,893.18, 19,126,779.83 and 7,664,619.70

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Solution

The fourth proportional to 13,859,893.18, 19,126,779.83 and 7,664,619.70 is: 10,577,245.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859,893.18 : 19,126,779.83 = 7,664,619.70 : x
  2. Step 2: Convert to fraction form
    13,859,893.18/19,126,779.83 = 7,664,619.70/x
  3. Step 3: Cross multiply
    13,859,893.18x = 19,126,779.83 × 7,664,619.70
  4. Step 4: Simplify right side
    13,859,893.18x = 146,599,493,482,580.66
  5. Step 5: Solve for x
    x = 146,599,493,482,580.66/13,859,893.18
  6. Step 6: Final answer
    x = 10,577,245.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.