Home / 15,833,782.88-21,848,779-8,864,853.92

Finding the Fourth Proportional to 15,833,782.88, 21,848,779 and 8,864,853.92

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Solution

The fourth proportional to 15,833,782.88, 21,848,779 and 8,864,853.92 is: 12,232,467.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,833,782.88 : 21,848,779 = 8,864,853.92 : x
  2. Step 2: Convert to fraction form
    15,833,782.88/21,848,779 = 8,864,853.92/x
  3. Step 3: Cross multiply
    15,833,782.88x = 21,848,779 × 8,864,853.92
  4. Step 4: Simplify right side
    15,833,782.88x = 193,686,234,165,363.69
  5. Step 5: Solve for x
    x = 193,686,234,165,363.69/15,833,782.88
  6. Step 6: Final answer
    x = 12,232,467.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.