Home / 7,685,180.70-11,516,371.29-3,130,665.72

Finding the Fourth Proportional to 7,685,180.70, 11,516,371.29 and 3,130,665.72

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Solution

The fourth proportional to 7,685,180.70, 11,516,371.29 and 3,130,665.72 is: 4,691,354.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685,180.70 : 11,516,371.29 = 3,130,665.72 : x
  2. Step 2: Convert to fraction form
    7,685,180.70/11,516,371.29 = 3,130,665.72/x
  3. Step 3: Cross multiply
    7,685,180.70x = 11,516,371.29 × 3,130,665.72
  4. Step 4: Simplify right side
    7,685,180.70x = 36,053,908,816,395.18
  5. Step 5: Solve for x
    x = 36,053,908,816,395.18/7,685,180.70
  6. Step 6: Final answer
    x = 4,691,354.73

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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.