Home / 18,510,651-25,543,298.70-10,250,672.76

Finding the Fourth Proportional to 18,510,651, 25,543,298.70 and 10,250,672.76

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Solution

The fourth proportional to 18,510,651, 25,543,298.70 and 10,250,672.76 is: 14,145,153.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510,651 : 25,543,298.70 = 10,250,672.76 : x
  2. Step 2: Convert to fraction form
    18,510,651/25,543,298.70 = 10,250,672.76/x
  3. Step 3: Cross multiply
    18,510,651x = 25,543,298.70 × 10,250,672.76
  4. Step 4: Simplify right side
    18,510,651x = 261,835,996,184,633.41
  5. Step 5: Solve for x
    x = 261,835,996,184,633.41/18,510,651
  6. Step 6: Final answer
    x = 14,145,153.31

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1.5x scale

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.