Home / 13,674,347.81-18,876,410.39-8,520,255.84

Finding the Fourth Proportional to 13,674,347.81, 18,876,410.39 and 8,520,255.84

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Solution

The fourth proportional to 13,674,347.81, 18,876,410.39 and 8,520,255.84 is: 11,761,573.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674,347.81 : 18,876,410.39 = 8,520,255.84 : x
  2. Step 2: Convert to fraction form
    13,674,347.81/18,876,410.39 = 8,520,255.84/x
  3. Step 3: Cross multiply
    13,674,347.81x = 18,876,410.39 × 8,520,255.84
  4. Step 4: Simplify right side
    13,674,347.81x = 160,831,845,884,934.81
  5. Step 5: Solve for x
    x = 160,831,845,884,934.81/13,674,347.81
  6. Step 6: Final answer
    x = 11,761,573.44

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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.