Home / 18,510,650-25,543,297.32-10,250,671.76

Finding the Fourth Proportional to 18,510,650, 25,543,297.32 and 10,250,671.76

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Solution

The fourth proportional to 18,510,650, 25,543,297.32 and 10,250,671.76 is: 14,145,151.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510,650 : 25,543,297.32 = 10,250,671.76 : x
  2. Step 2: Convert to fraction form
    18,510,650/25,543,297.32 = 10,250,671.76/x
  3. Step 3: Cross multiply
    18,510,650x = 25,543,297.32 × 10,250,671.76
  4. Step 4: Simplify right side
    18,510,650x = 261,835,956,495,407.69
  5. Step 5: Solve for x
    x = 261,835,956,495,407.69/18,510,650
  6. Step 6: Final answer
    x = 14,145,151.93

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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.