Home / 10,479,953.81-15,719,930.73-2,906,919.56

Finding the Fourth Proportional to 10,479,953.81, 15,719,930.73 and 2,906,919.56

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Solution

The fourth proportional to 10,479,953.81, 15,719,930.73 and 2,906,919.56 is: 4,360,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479,953.81 : 15,719,930.73 = 2,906,919.56 : x
  2. Step 2: Convert to fraction form
    10,479,953.81/15,719,930.73 = 2,906,919.56/x
  3. Step 3: Cross multiply
    10,479,953.81x = 15,719,930.73 × 2,906,919.56
  4. Step 4: Simplify right side
    10,479,953.81x = 45,696,574,160,181.91
  5. Step 5: Solve for x
    x = 45,696,574,160,181.91/10,479,953.81
  6. Step 6: Final answer
    x = 4,360,379.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.