Home / 7,139,422.62-10,713,388.05-2,590,826.11

Finding the Fourth Proportional to 7,139,422.62, 10,713,388.05 and 2,590,826.11

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Solution

The fourth proportional to 7,139,422.62, 10,713,388.05 and 2,590,826.11 is: 3,887,782.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,422.62 : 10,713,388.05 = 2,590,826.11 : x
  2. Step 2: Convert to fraction form
    7,139,422.62/10,713,388.05 = 2,590,826.11/x
  3. Step 3: Cross multiply
    7,139,422.62x = 10,713,388.05 × 2,590,826.11
  4. Step 4: Simplify right side
    7,139,422.62x = 27,756,525,459,718.52
  5. Step 5: Solve for x
    x = 27,756,525,459,718.52/7,139,422.62
  6. Step 6: Final answer
    x = 3,887,782.94

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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.