Home / 7,252,936.32-10,009,238.88-3,989,834.88

Finding the Fourth Proportional to 7,252,936.32, 10,009,238.88 and 3,989,834.88

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Solution

The fourth proportional to 7,252,936.32, 10,009,238.88 and 3,989,834.88 is: 5,506,074.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,252,936.32 : 10,009,238.88 = 3,989,834.88 : x
  2. Step 2: Convert to fraction form
    7,252,936.32/10,009,238.88 = 3,989,834.88/x
  3. Step 3: Cross multiply
    7,252,936.32x = 10,009,238.88 × 3,989,834.88
  4. Step 4: Simplify right side
    7,252,936.32x = 39,935,210,405,676.13
  5. Step 5: Solve for x
    x = 39,935,210,405,676.13/7,252,936.32
  6. Step 6: Final answer
    x = 5,506,074.87

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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.