Home / 51,325,652-76,987,813.80-12,464,422.40

Finding the Fourth Proportional to 51,325,652, 76,987,813.80 and 12,464,422.40

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Solution

The fourth proportional to 51,325,652, 76,987,813.80 and 12,464,422.40 is: 18,696,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,325,652 : 76,987,813.80 = 12,464,422.40 : x
  2. Step 2: Convert to fraction form
    51,325,652/76,987,813.80 = 12,464,422.40/x
  3. Step 3: Cross multiply
    51,325,652x = 76,987,813.80 × 12,464,422.40
  4. Step 4: Simplify right side
    51,325,652x = 959,608,630,855,749.12
  5. Step 5: Solve for x
    x = 959,608,630,855,749.12/51,325,652
  6. Step 6: Final answer
    x = 18,696,472.30

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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.