Home / 7,718,369.68-10,652,004.31-4,281,717.88

Finding the Fourth Proportional to 7,718,369.68, 10,652,004.31 and 4,281,717.88

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Solution

The fourth proportional to 7,718,369.68, 10,652,004.31 and 4,281,717.88 is: 5,909,133.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718,369.68 : 10,652,004.31 = 4,281,717.88 : x
  2. Step 2: Convert to fraction form
    7,718,369.68/10,652,004.31 = 4,281,717.88/x
  3. Step 3: Cross multiply
    7,718,369.68x = 10,652,004.31 × 4,281,717.88
  4. Step 4: Simplify right side
    7,718,369.68x = 45,608,877,258,704.05
  5. Step 5: Solve for x
    x = 45,608,877,258,704.05/7,718,369.68
  6. Step 6: Final answer
    x = 5,909,133.56

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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.