Home / 30,780,374.88-46,169,201.52-8,060,769.12

Finding the Fourth Proportional to 30,780,374.88, 46,169,201.52 and 8,060,769.12

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Solution

The fourth proportional to 30,780,374.88, 46,169,201.52 and 8,060,769.12 is: 12,090,797.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,780,374.88 : 46,169,201.52 = 8,060,769.12 : x
  2. Step 2: Convert to fraction form
    30,780,374.88/46,169,201.52 = 8,060,769.12/x
  3. Step 3: Cross multiply
    30,780,374.88x = 46,169,201.52 × 8,060,769.12
  4. Step 4: Simplify right side
    30,780,374.88x = 372,159,273,907,473.12
  5. Step 5: Solve for x
    x = 372,159,273,907,473.12/30,780,374.88
  6. Step 6: Final answer
    x = 12,090,797.31

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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.