Home / 12,495,821.36-18,744,144.44-4,298,381.32

Finding the Fourth Proportional to 12,495,821.36, 18,744,144.44 and 4,298,381.32

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Solution

The fourth proportional to 12,495,821.36, 18,744,144.44 and 4,298,381.32 is: 6,447,713.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495,821.36 : 18,744,144.44 = 4,298,381.32 : x
  2. Step 2: Convert to fraction form
    12,495,821.36/18,744,144.44 = 4,298,381.32/x
  3. Step 3: Cross multiply
    12,495,821.36x = 18,744,144.44 × 4,298,381.32
  4. Step 4: Simplify right side
    12,495,821.36x = 80,569,480,320,277.88
  5. Step 5: Solve for x
    x = 80,569,480,320,277.88/12,495,821.36
  6. Step 6: Final answer
    x = 6,447,713.84

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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.