Home / 18,326,909.73-25,291,194.53-10,178,147.73

Finding the Fourth Proportional to 18,326,909.73, 25,291,194.53 and 10,178,147.73

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Solution

The fourth proportional to 18,326,909.73, 25,291,194.53 and 10,178,147.73 is: 14,045,876.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326,909.73 : 25,291,194.53 = 10,178,147.73 : x
  2. Step 2: Convert to fraction form
    18,326,909.73/25,291,194.53 = 10,178,147.73/x
  3. Step 3: Cross multiply
    18,326,909.73x = 25,291,194.53 × 10,178,147.73
  4. Step 4: Simplify right side
    18,326,909.73x = 257,417,514,194,507.94
  5. Step 5: Solve for x
    x = 257,417,514,194,507.94/18,326,909.73
  6. Step 6: Final answer
    x = 14,045,876.69

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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.