Home / 9,163,789.78-12,645,289.95-5,296,561.42

Finding the Fourth Proportional to 9,163,789.78, 12,645,289.95 and 5,296,561.42

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Solution

The fourth proportional to 9,163,789.78, 12,645,289.95 and 5,296,561.42 is: 7,308,827.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163,789.78 : 12,645,289.95 = 5,296,561.42 : x
  2. Step 2: Convert to fraction form
    9,163,789.78/12,645,289.95 = 5,296,561.42/x
  3. Step 3: Cross multiply
    9,163,789.78x = 12,645,289.95 × 5,296,561.42
  4. Step 4: Simplify right side
    9,163,789.78x = 66,976,554,893,883.73
  5. Step 5: Solve for x
    x = 66,976,554,893,883.73/9,163,789.78
  6. Step 6: Final answer
    x = 7,308,827.08

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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.