Home / 13,455,296.37-18,570,434.22-8,555,410.35

Finding the Fourth Proportional to 13,455,296.37, 18,570,434.22 and 8,555,410.35

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Solution

The fourth proportional to 13,455,296.37, 18,570,434.22 and 8,555,410.35 is: 11,807,817.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455,296.37 : 18,570,434.22 = 8,555,410.35 : x
  2. Step 2: Convert to fraction form
    13,455,296.37/18,570,434.22 = 8,555,410.35/x
  3. Step 3: Cross multiply
    13,455,296.37x = 18,570,434.22 × 8,555,410.35
  4. Step 4: Simplify right side
    13,455,296.37x = 158,877,685,129,782.16
  5. Step 5: Solve for x
    x = 158,877,685,129,782.16/13,455,296.37
  6. Step 6: Final answer
    x = 11,807,817.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.