Home / 20,590,410.40-30,853,684.28-11,933,037.96

Finding the Fourth Proportional to 20,590,410.40, 30,853,684.28 and 11,933,037.96

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Solution

The fourth proportional to 20,590,410.40, 30,853,684.28 and 11,933,037.96 is: 17,881,051.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,590,410.40 : 30,853,684.28 = 11,933,037.96 : x
  2. Step 2: Convert to fraction form
    20,590,410.40/30,853,684.28 = 11,933,037.96/x
  3. Step 3: Cross multiply
    20,590,410.40x = 30,853,684.28 × 11,933,037.96
  4. Step 4: Simplify right side
    20,590,410.40x = 368,178,185,719,095.31
  5. Step 5: Solve for x
    x = 368,178,185,719,095.31/20,590,410.40
  6. Step 6: Final answer
    x = 17,881,051.35

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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.