Home / 15,037,400.16-20,751,056.26-8,161,735.68

Finding the Fourth Proportional to 15,037,400.16, 20,751,056.26 and 8,161,735.68

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Solution

The fourth proportional to 15,037,400.16, 20,751,056.26 and 8,161,735.68 is: 11,262,893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,400.16 : 20,751,056.26 = 8,161,735.68 : x
  2. Step 2: Convert to fraction form
    15,037,400.16/20,751,056.26 = 8,161,735.68/x
  3. Step 3: Cross multiply
    15,037,400.16x = 20,751,056.26 × 8,161,735.68
  4. Step 4: Simplify right side
    15,037,400.16x = 169,364,636,274,929.38
  5. Step 5: Solve for x
    x = 169,364,636,274,929.38/15,037,400.16
  6. Step 6: Final answer
    x = 11,262,893.48

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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.