Home / 25,606,475.20-38,409,712.80-6,437,857.60

Finding the Fourth Proportional to 25,606,475.20, 38,409,712.80 and 6,437,857.60

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Solution

The fourth proportional to 25,606,475.20, 38,409,712.80 and 6,437,857.60 is: 9,656,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,606,475.20 : 38,409,712.80 = 6,437,857.60 : x
  2. Step 2: Convert to fraction form
    25,606,475.20/38,409,712.80 = 6,437,857.60/x
  3. Step 3: Cross multiply
    25,606,475.20x = 38,409,712.80 × 6,437,857.60
  4. Step 4: Simplify right side
    25,606,475.20x = 247,276,261,463,297.25
  5. Step 5: Solve for x
    x = 247,276,261,463,297.25/25,606,475.20
  6. Step 6: Final answer
    x = 9,656,786.40

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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.