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Finding the Fourth Proportional to 9,793,129.61, 13,500,275.42 and 6,843,789.84

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Solution

The fourth proportional to 9,793,129.61, 13,500,275.42 and 6,843,789.84 is: 9,434,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,793,129.61 : 13,500,275.42 = 6,843,789.84 : x
  2. Step 2: Convert to fraction form
    9,793,129.61/13,500,275.42 = 6,843,789.84/x
  3. Step 3: Cross multiply
    9,793,129.61x = 13,500,275.42 × 6,843,789.84
  4. Step 4: Simplify right side
    9,793,129.61x = 92,393,047,756,597.73
  5. Step 5: Solve for x
    x = 92,393,047,756,597.73/9,793,129.61
  6. Step 6: Final answer
    x = 9,434,476.15

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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.