Home / 30,007,917.52-45,011,876.82-7,288,661.68

Finding the Fourth Proportional to 30,007,917.52, 45,011,876.82 and 7,288,661.68

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Solution

The fourth proportional to 30,007,917.52, 45,011,876.82 and 7,288,661.68 is: 10,932,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007,917.52 : 45,011,876.82 = 7,288,661.68 : x
  2. Step 2: Convert to fraction form
    30,007,917.52/45,011,876.82 = 7,288,661.68/x
  3. Step 3: Cross multiply
    30,007,917.52x = 45,011,876.82 × 7,288,661.68
  4. Step 4: Simplify right side
    30,007,917.52x = 328,076,341,686,370.94
  5. Step 5: Solve for x
    x = 328,076,341,686,370.94/30,007,917.52
  6. Step 6: Final answer
    x = 10,932,992.65

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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.