Home / 12,495,819.36-18,744,141.44-4,298,379.32

Finding the Fourth Proportional to 12,495,819.36, 18,744,141.44 and 4,298,379.32

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Solution

The fourth proportional to 12,495,819.36, 18,744,141.44 and 4,298,379.32 is: 6,447,710.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495,819.36 : 18,744,141.44 = 4,298,379.32 : x
  2. Step 2: Convert to fraction form
    12,495,819.36/18,744,141.44 = 4,298,379.32/x
  3. Step 3: Cross multiply
    12,495,819.36x = 18,744,141.44 × 4,298,379.32
  4. Step 4: Simplify right side
    12,495,819.36x = 80,569,429,936,851.03
  5. Step 5: Solve for x
    x = 80,569,429,936,851.03/12,495,819.36
  6. Step 6: Final answer
    x = 6,447,710.84

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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.