Home / 7,139,424.37-10,713,390.68-2,590,827.86

Finding the Fourth Proportional to 7,139,424.37, 10,713,390.68 and 2,590,827.86

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Solution

The fourth proportional to 7,139,424.37, 10,713,390.68 and 2,590,827.86 is: 3,887,785.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,424.37 : 10,713,390.68 = 2,590,827.86 : x
  2. Step 2: Convert to fraction form
    7,139,424.37/10,713,390.68 = 2,590,827.86/x
  3. Step 3: Cross multiply
    7,139,424.37x = 10,713,390.68 × 2,590,827.86
  4. Step 4: Simplify right side
    7,139,424.37x = 27,756,551,035,854.21
  5. Step 5: Solve for x
    x = 27,756,551,035,854.21/7,139,424.37
  6. Step 6: Final answer
    x = 3,887,785.57

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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.