Home / 8,078,836.80-12,127,112.55-5,049,623.10

Finding the Fourth Proportional to 8,078,836.80, 12,127,112.55 and 5,049,623.10

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Solution

The fourth proportional to 8,078,836.80, 12,127,112.55 and 5,049,623.10 is: 7,579,970.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078,836.80 : 12,127,112.55 = 5,049,623.10 : x
  2. Step 2: Convert to fraction form
    8,078,836.80/12,127,112.55 = 5,049,623.10/x
  3. Step 3: Cross multiply
    8,078,836.80x = 12,127,112.55 × 5,049,623.10
  4. Step 4: Simplify right side
    8,078,836.80x = 61,237,347,668,779.91
  5. Step 5: Solve for x
    x = 61,237,347,668,779.91/8,078,836.80
  6. Step 6: Final answer
    x = 7,579,970.88

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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.