Home / 7,775,412.18-11,663,069.04-2,655,371.76

Finding the Fourth Proportional to 7,775,412.18, 11,663,069.04 and 2,655,371.76

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Solution

The fourth proportional to 7,775,412.18, 11,663,069.04 and 2,655,371.76 is: 3,983,040.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775,412.18 : 11,663,069.04 = 2,655,371.76 : x
  2. Step 2: Convert to fraction form
    7,775,412.18/11,663,069.04 = 2,655,371.76/x
  3. Step 3: Cross multiply
    7,775,412.18x = 11,663,069.04 × 2,655,371.76
  4. Step 4: Simplify right side
    7,775,412.18x = 30,969,784,163,746.30
  5. Step 5: Solve for x
    x = 30,969,784,163,746.30/7,775,412.18
  6. Step 6: Final answer
    x = 3,983,040.83

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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.