Home / 18,409,011.75-27,617,503.64-7,049,460.78

Finding the Fourth Proportional to 18,409,011.75, 27,617,503.64 and 7,049,460.78

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Solution

The fourth proportional to 18,409,011.75, 27,617,503.64 and 7,049,460.78 is: 10,575,717.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409,011.75 : 27,617,503.64 = 7,049,460.78 : x
  2. Step 2: Convert to fraction form
    18,409,011.75/27,617,503.64 = 7,049,460.78/x
  3. Step 3: Cross multiply
    18,409,011.75x = 27,617,503.64 × 7,049,460.78
  4. Step 4: Simplify right side
    18,409,011.75x = 194,688,508,716,439.97
  5. Step 5: Solve for x
    x = 194,688,508,716,439.97/18,409,011.75
  6. Step 6: Final answer
    x = 10,575,717.55

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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.