Home / 43,342,674.64-65,015,195.33-12,636,511.90

Finding the Fourth Proportional to 43,342,674.64, 65,015,195.33 and 12,636,511.90

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Solution

The fourth proportional to 43,342,674.64, 65,015,195.33 and 12,636,511.90 is: 18,955,112.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,342,674.64 : 65,015,195.33 = 12,636,511.90 : x
  2. Step 2: Convert to fraction form
    43,342,674.64/65,015,195.33 = 12,636,511.90/x
  3. Step 3: Cross multiply
    43,342,674.64x = 65,015,195.33 × 12,636,511.90
  4. Step 4: Simplify right side
    43,342,674.64x = 821,565,289,337,422.88
  5. Step 5: Solve for x
    x = 821,565,289,337,422.88/43,342,674.64
  6. Step 6: Final answer
    x = 18,955,112.86

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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.