Home / 18,135,689.42-25,027,252.00-9,875,748.56

Finding the Fourth Proportional to 18,135,689.42, 25,027,252.00 and 9,875,748.56

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Solution

The fourth proportional to 18,135,689.42, 25,027,252.00 and 9,875,748.56 is: 13,628,533.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135,689.42 : 25,027,252.00 = 9,875,748.56 : x
  2. Step 2: Convert to fraction form
    18,135,689.42/25,027,252.00 = 9,875,748.56/x
  3. Step 3: Cross multiply
    18,135,689.42x = 25,027,252.00 × 9,875,748.56
  4. Step 4: Simplify right side
    18,135,689.42x = 247,162,847,749,931.47
  5. Step 5: Solve for x
    x = 247,162,847,749,931.47/18,135,689.42
  6. Step 6: Final answer
    x = 13,628,533.33

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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.