Home / 43,342,682.49-65,015,207.15-12,636,519.77

Finding the Fourth Proportional to 43,342,682.49, 65,015,207.15 and 12,636,519.77

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Solution

The fourth proportional to 43,342,682.49, 65,015,207.15 and 12,636,519.77 is: 18,955,124.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,342,682.49 : 65,015,207.15 = 12,636,519.77 : x
  2. Step 2: Convert to fraction form
    43,342,682.49/65,015,207.15 = 12,636,519.77/x
  3. Step 3: Cross multiply
    43,342,682.49x = 65,015,207.15 × 12,636,519.77
  4. Step 4: Simplify right side
    43,342,682.49x = 821,565,950,600,975.88
  5. Step 5: Solve for x
    x = 821,565,950,600,975.88/43,342,682.49
  6. Step 6: Final answer
    x = 18,955,124.68

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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.