Home / 21,856,443.40-32,784,665.10-21,296,571.40

Finding the Fourth Proportional to 21,856,443.40, 32,784,665.10 and 21,296,571.40

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Solution

The fourth proportional to 21,856,443.40, 32,784,665.10 and 21,296,571.40 is: 31,944,857.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,443.40 : 32,784,665.10 = 21,296,571.40 : x
  2. Step 2: Convert to fraction form
    21,856,443.40/32,784,665.10 = 21,296,571.40/x
  3. Step 3: Cross multiply
    21,856,443.40x = 32,784,665.10 × 21,296,571.40
  4. Step 4: Simplify right side
    21,856,443.40x = 698,200,961,127,238.12
  5. Step 5: Solve for x
    x = 698,200,961,127,238.12/21,856,443.40
  6. Step 6: Final answer
    x = 31,944,857.10

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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.