Home / 7,139,282.56-10,713,179.12-2,590,686.28

Finding the Fourth Proportional to 7,139,282.56, 10,713,179.12 and 2,590,686.28

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Solution

The fourth proportional to 7,139,282.56, 10,713,179.12 and 2,590,686.28 is: 3,887,573.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,282.56 : 10,713,179.12 = 2,590,686.28 : x
  2. Step 2: Convert to fraction form
    7,139,282.56/10,713,179.12 = 2,590,686.28/x
  3. Step 3: Cross multiply
    7,139,282.56x = 10,713,179.12 × 2,590,686.28
  4. Step 4: Simplify right side
    7,139,282.56x = 27,754,486,161,366.47
  5. Step 5: Solve for x
    x = 27,754,486,161,366.47/7,139,282.56
  6. Step 6: Final answer
    x = 3,887,573.57

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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.