Home / 51,325,653-76,987,815.30-12,464,423.40

Finding the Fourth Proportional to 51,325,653, 76,987,815.30 and 12,464,423.40

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Solution

The fourth proportional to 51,325,653, 76,987,815.30 and 12,464,423.40 is: 18,696,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,325,653 : 76,987,815.30 = 12,464,423.40 : x
  2. Step 2: Convert to fraction form
    51,325,653/76,987,815.30 = 12,464,423.40/x
  3. Step 3: Cross multiply
    51,325,653x = 76,987,815.30 × 12,464,423.40
  4. Step 4: Simplify right side
    51,325,653x = 959,608,726,540,198
  5. Step 5: Solve for x
    x = 959,608,726,540,198/51,325,653
  6. Step 6: Final answer
    x = 18,696,473.80

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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.