Home / 18,409,404.28-25,405,005.90-10,260,467.32

Finding the Fourth Proportional to 18,409,404.28, 25,405,005.90 and 10,260,467.32

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Solution

The fourth proportional to 18,409,404.28, 25,405,005.90 and 10,260,467.32 is: 14,159,460.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409,404.28 : 25,405,005.90 = 10,260,467.32 : x
  2. Step 2: Convert to fraction form
    18,409,404.28/25,405,005.90 = 10,260,467.32/x
  3. Step 3: Cross multiply
    18,409,404.28x = 25,405,005.90 × 10,260,467.32
  4. Step 4: Simplify right side
    18,409,404.28x = 260,667,232,801,357.19
  5. Step 5: Solve for x
    x = 260,667,232,801,357.19/18,409,404.28
  6. Step 6: Final answer
    x = 14,159,460.50

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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.