Home / 7,870,586.31-10,855,627.68-5,216,634.07

Finding the Fourth Proportional to 7,870,586.31, 10,855,627.68 and 5,216,634.07

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Solution

The fourth proportional to 7,870,586.31, 10,855,627.68 and 5,216,634.07 is: 7,195,123.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870,586.31 : 10,855,627.68 = 5,216,634.07 : x
  2. Step 2: Convert to fraction form
    7,870,586.31/10,855,627.68 = 5,216,634.07/x
  3. Step 3: Cross multiply
    7,870,586.31x = 10,855,627.68 × 5,216,634.07
  4. Step 4: Simplify right side
    7,870,586.31x = 56,629,837,196,960.84
  5. Step 5: Solve for x
    x = 56,629,837,196,960.84/7,870,586.31
  6. Step 6: Final answer
    x = 7,195,123.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.