Home / 28,514,914.80-42,772,372.20-9,346,297.20

Finding the Fourth Proportional to 28,514,914.80, 42,772,372.20 and 9,346,297.20

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Solution

The fourth proportional to 28,514,914.80, 42,772,372.20 and 9,346,297.20 is: 14,019,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514,914.80 : 42,772,372.20 = 9,346,297.20 : x
  2. Step 2: Convert to fraction form
    28,514,914.80/42,772,372.20 = 9,346,297.20/x
  3. Step 3: Cross multiply
    28,514,914.80x = 42,772,372.20 × 9,346,297.20
  4. Step 4: Simplify right side
    28,514,914.80x = 399,763,302,530,217.81
  5. Step 5: Solve for x
    x = 399,763,302,530,217.81/28,514,914.80
  6. Step 6: Final answer
    x = 14,019,445.80

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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.