Home / 13,166,636.96-18,169,101.20-7,364,412.32

Finding the Fourth Proportional to 13,166,636.96, 18,169,101.20 and 7,364,412.32

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Solution

The fourth proportional to 13,166,636.96, 18,169,101.20 and 7,364,412.32 is: 10,162,409.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166,636.96 : 18,169,101.20 = 7,364,412.32 : x
  2. Step 2: Convert to fraction form
    13,166,636.96/18,169,101.20 = 7,364,412.32/x
  3. Step 3: Cross multiply
    13,166,636.96x = 18,169,101.20 × 7,364,412.32
  4. Step 4: Simplify right side
    13,166,636.96x = 133,804,752,720,606.78
  5. Step 5: Solve for x
    x = 133,804,752,720,606.78/13,166,636.96
  6. Step 6: Final answer
    x = 10,162,409.21

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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.