Home / 7,198,219.20-10,789,034.40-2,935,588.80

Finding the Fourth Proportional to 7,198,219.20, 10,789,034.40 and 2,935,588.80

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Solution

The fourth proportional to 7,198,219.20, 10,789,034.40 and 2,935,588.80 is: 4,400,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,198,219.20 : 10,789,034.40 = 2,935,588.80 : x
  2. Step 2: Convert to fraction form
    7,198,219.20/10,789,034.40 = 2,935,588.80/x
  3. Step 3: Cross multiply
    7,198,219.20x = 10,789,034.40 × 2,935,588.80
  4. Step 4: Simplify right side
    7,198,219.20x = 31,672,168,547,454.72
  5. Step 5: Solve for x
    x = 31,672,168,547,454.72/7,198,219.20
  6. Step 6: Final answer
    x = 4,400,000.57

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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.