Home / 7,257,809.88-10,886,950.61-2,139,810.71

Finding the Fourth Proportional to 7,257,809.88, 10,886,950.61 and 2,139,810.71

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Solution

The fourth proportional to 7,257,809.88, 10,886,950.61 and 2,139,810.71 is: 3,209,785.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257,809.88 : 10,886,950.61 = 2,139,810.71 : x
  2. Step 2: Convert to fraction form
    7,257,809.88/10,886,950.61 = 2,139,810.71/x
  3. Step 3: Cross multiply
    7,257,809.88x = 10,886,950.61 × 2,139,810.71
  4. Step 4: Simplify right side
    7,257,809.88x = 23,296,013,465,433.81
  5. Step 5: Solve for x
    x = 23,296,013,465,433.81/7,257,809.88
  6. Step 6: Final answer
    x = 3,209,785.58

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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.