Home / 10,931,857.20-16,397,785.80-3,742,750.80

Finding the Fourth Proportional to 10,931,857.20, 16,397,785.80 and 3,742,750.80

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Solution

The fourth proportional to 10,931,857.20, 16,397,785.80 and 3,742,750.80 is: 5,614,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,857.20 : 16,397,785.80 = 3,742,750.80 : x
  2. Step 2: Convert to fraction form
    10,931,857.20/16,397,785.80 = 3,742,750.80/x
  3. Step 3: Cross multiply
    10,931,857.20x = 16,397,785.80 × 3,742,750.80
  4. Step 4: Simplify right side
    10,931,857.20x = 61,372,825,921,178.64
  5. Step 5: Solve for x
    x = 61,372,825,921,178.64/10,931,857.20
  6. Step 6: Final answer
    x = 5,614,126.20

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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.