Home / 21,410,716.40-32,106,743.40-8,626,972.40

Finding the Fourth Proportional to 21,410,716.40, 32,106,743.40 and 8,626,972.40

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Solution

The fourth proportional to 21,410,716.40, 32,106,743.40 and 8,626,972.40 is: 12,936,698.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410,716.40 : 32,106,743.40 = 8,626,972.40 : x
  2. Step 2: Convert to fraction form
    21,410,716.40/32,106,743.40 = 8,626,972.40/x
  3. Step 3: Cross multiply
    21,410,716.40x = 32,106,743.40 × 8,626,972.40
  4. Step 4: Simplify right side
    21,410,716.40x = 276,983,989,165,682.16
  5. Step 5: Solve for x
    x = 276,983,989,165,682.16/21,410,716.40
  6. Step 6: Final answer
    x = 12,936,698.80

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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.