Home / 13,019,409.98-19,515,444.30-4,380,511.43

Finding the Fourth Proportional to 13,019,409.98, 19,515,444.30 and 4,380,511.43

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Solution

The fourth proportional to 13,019,409.98, 19,515,444.30 and 4,380,511.43 is: 6,566,167.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019,409.98 : 19,515,444.30 = 4,380,511.43 : x
  2. Step 2: Convert to fraction form
    13,019,409.98/19,515,444.30 = 4,380,511.43/x
  3. Step 3: Cross multiply
    13,019,409.98x = 19,515,444.30 × 4,380,511.43
  4. Step 4: Simplify right side
    13,019,409.98x = 85,487,626,698,198.58
  5. Step 5: Solve for x
    x = 85,487,626,698,198.58/13,019,409.98
  6. Step 6: Final answer
    x = 6,566,167.50

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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.