Home / 18,685,652.40-25,786,158.84-10,536,833.52

Finding the Fourth Proportional to 18,685,652.40, 25,786,158.84 and 10,536,833.52

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Solution

The fourth proportional to 18,685,652.40, 25,786,158.84 and 10,536,833.52 is: 14,540,806.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685,652.40 : 25,786,158.84 = 10,536,833.52 : x
  2. Step 2: Convert to fraction form
    18,685,652.40/25,786,158.84 = 10,536,833.52/x
  3. Step 3: Cross multiply
    18,685,652.40x = 25,786,158.84 × 10,536,833.52
  4. Step 4: Simplify right side
    18,685,652.40x = 271,704,462,817,356.31
  5. Step 5: Solve for x
    x = 271,704,462,817,356.31/18,685,652.40
  6. Step 6: Final answer
    x = 14,540,806.87

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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.