Home / 21,835,745.30-32,703,851.55-12,877,793.30

Finding the Fourth Proportional to 21,835,745.30, 32,703,851.55 and 12,877,793.30

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Solution

The fourth proportional to 21,835,745.30, 32,703,851.55 and 12,877,793.30 is: 19,287,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,835,745.30 : 32,703,851.55 = 12,877,793.30 : x
  2. Step 2: Convert to fraction form
    21,835,745.30/32,703,851.55 = 12,877,793.30/x
  3. Step 3: Cross multiply
    21,835,745.30x = 32,703,851.55 × 12,877,793.30
  4. Step 4: Simplify right side
    21,835,745.30x = 421,153,440,374,784.62
  5. Step 5: Solve for x
    x = 421,153,440,374,784.62/21,835,745.30
  6. Step 6: Final answer
    x = 19,287,339.85

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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.