Home / 10,863,729.20-16,276,931.40-5,171,697.20

Finding the Fourth Proportional to 10,863,729.20, 16,276,931.40 and 5,171,697.20

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Solution

The fourth proportional to 10,863,729.20, 16,276,931.40 and 5,171,697.20 is: 7,748,661.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863,729.20 : 16,276,931.40 = 5,171,697.20 : x
  2. Step 2: Convert to fraction form
    10,863,729.20/16,276,931.40 = 5,171,697.20/x
  3. Step 3: Cross multiply
    10,863,729.20x = 16,276,931.40 × 5,171,697.20
  4. Step 4: Simplify right side
    10,863,729.20x = 84,179,360,545,972.08
  5. Step 5: Solve for x
    x = 84,179,360,545,972.08/10,863,729.20
  6. Step 6: Final answer
    x = 7,748,661.53

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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.