Home / 8,080,973.20-12,127,364.70-5,689,488.70

Finding the Fourth Proportional to 8,080,973.20, 12,127,364.70 and 5,689,488.70

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Solution

The fourth proportional to 8,080,973.20, 12,127,364.70 and 5,689,488.70 is: 8,538,390.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080,973.20 : 12,127,364.70 = 5,689,488.70 : x
  2. Step 2: Convert to fraction form
    8,080,973.20/12,127,364.70 = 5,689,488.70/x
  3. Step 3: Cross multiply
    8,080,973.20x = 12,127,364.70 × 5,689,488.70
  4. Step 4: Simplify right side
    8,080,973.20x = 68,998,504,421,428.89
  5. Step 5: Solve for x
    x = 68,998,504,421,428.89/8,080,973.20
  6. Step 6: Final answer
    x = 8,538,390.45

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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.