Home / 30,503,702.09-45,763,297.88-14,120,797.61

Finding the Fourth Proportional to 30,503,702.09, 45,763,297.88 and 14,120,797.61

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Solution

The fourth proportional to 30,503,702.09, 45,763,297.88 and 14,120,797.61 is: 21,184,781.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,503,702.09 : 45,763,297.88 = 14,120,797.61 : x
  2. Step 2: Convert to fraction form
    30,503,702.09/45,763,297.88 = 14,120,797.61/x
  3. Step 3: Cross multiply
    30,503,702.09x = 45,763,297.88 × 14,120,797.61
  4. Step 4: Simplify right side
    30,503,702.09x = 646,214,267,250,515.88
  5. Step 5: Solve for x
    x = 646,214,267,250,515.88/30,503,702.09
  6. Step 6: Final answer
    x = 21,184,781.62

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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.