Home / 21,251,782.52-31,877,566.77-8,299,248.47

Finding the Fourth Proportional to 21,251,782.52, 31,877,566.77 and 8,299,248.47

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Solution

The fourth proportional to 21,251,782.52, 31,877,566.77 and 8,299,248.47 is: 12,448,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,251,782.52 : 31,877,566.77 = 8,299,248.47 : x
  2. Step 2: Convert to fraction form
    21,251,782.52/31,877,566.77 = 8,299,248.47/x
  3. Step 3: Cross multiply
    21,251,782.52x = 31,877,566.77 × 8,299,248.47
  4. Step 4: Simplify right side
    21,251,782.52x = 264,559,847,234,520.56
  5. Step 5: Solve for x
    x = 264,559,847,234,520.56/21,251,782.52
  6. Step 6: Final answer
    x = 12,448,830.92

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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.