Home / 11,905,789.92-16,429,514.04-7,011,218.40

Finding the Fourth Proportional to 11,905,789.92, 16,429,514.04 and 7,011,218.40

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Solution

The fourth proportional to 11,905,789.92, 16,429,514.04 and 7,011,218.40 is: 9,675,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905,789.92 : 16,429,514.04 = 7,011,218.40 : x
  2. Step 2: Convert to fraction form
    11,905,789.92/16,429,514.04 = 7,011,218.40/x
  3. Step 3: Cross multiply
    11,905,789.92x = 16,429,514.04 × 7,011,218.40
  4. Step 4: Simplify right side
    11,905,789.92x = 115,190,911,140,306.33
  5. Step 5: Solve for x
    x = 115,190,911,140,306.33/11,905,789.92
  6. Step 6: Final answer
    x = 9,675,201.05

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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.