Home / 21,553,426.84-32,339,610.86-11,315,907.80

Finding the Fourth Proportional to 21,553,426.84, 32,339,610.86 and 11,315,907.80

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Solution

The fourth proportional to 21,553,426.84, 32,339,610.86 and 11,315,907.80 is: 16,978,833.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,553,426.84 : 32,339,610.86 = 11,315,907.80 : x
  2. Step 2: Convert to fraction form
    21,553,426.84/32,339,610.86 = 11,315,907.80/x
  3. Step 3: Cross multiply
    21,553,426.84x = 32,339,610.86 × 11,315,907.80
  4. Step 4: Simplify right side
    21,553,426.84x = 365,952,054,779,638.75
  5. Step 5: Solve for x
    x = 365,952,054,779,638.75/21,553,426.84
  6. Step 6: Final answer
    x = 16,978,833.92

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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.