Home / 21,409,538.40-32,104,976.40-8,625,794.40

Finding the Fourth Proportional to 21,409,538.40, 32,104,976.40 and 8,625,794.40

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Solution

The fourth proportional to 21,409,538.40, 32,104,976.40 and 8,625,794.40 is: 12,934,932.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409,538.40 : 32,104,976.40 = 8,625,794.40 : x
  2. Step 2: Convert to fraction form
    21,409,538.40/32,104,976.40 = 8,625,794.40/x
  3. Step 3: Cross multiply
    21,409,538.40x = 32,104,976.40 × 8,625,794.40
  4. Step 4: Simplify right side
    21,409,538.40x = 276,930,925,643,252.16
  5. Step 5: Solve for x
    x = 276,930,925,643,252.16/21,409,538.40
  6. Step 6: Final answer
    x = 12,934,932.11

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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.