Home / 19,926,675.76-29,890,042.80-5,549,784.88

Finding the Fourth Proportional to 19,926,675.76, 29,890,042.80 and 5,549,784.88

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Solution

The fourth proportional to 19,926,675.76, 29,890,042.80 and 5,549,784.88 is: 8,324,685.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926,675.76 : 29,890,042.80 = 5,549,784.88 : x
  2. Step 2: Convert to fraction form
    19,926,675.76/29,890,042.80 = 5,549,784.88/x
  3. Step 3: Cross multiply
    19,926,675.76x = 29,890,042.80 × 5,549,784.88
  4. Step 4: Simplify right side
    19,926,675.76x = 165,883,307,593,992.88
  5. Step 5: Solve for x
    x = 165,883,307,593,992.88/19,926,675.76
  6. Step 6: Final answer
    x = 8,324,685.44

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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.