Home / 14,272,257.50-19,695,707.79-8,077,191.74

Finding the Fourth Proportional to 14,272,257.50, 19,695,707.79 and 8,077,191.74

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Solution

The fourth proportional to 14,272,257.50, 19,695,707.79 and 8,077,191.74 is: 11,146,520.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272,257.50 : 19,695,707.79 = 8,077,191.74 : x
  2. Step 2: Convert to fraction form
    14,272,257.50/19,695,707.79 = 8,077,191.74/x
  3. Step 3: Cross multiply
    14,272,257.50x = 19,695,707.79 × 8,077,191.74
  4. Step 4: Simplify right side
    14,272,257.50x = 159,086,008,274,841.66
  5. Step 5: Solve for x
    x = 159,086,008,274,841.66/14,272,257.50
  6. Step 6: Final answer
    x = 11,146,520.32

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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.