Home / 8,807,213.28-12,142,707.12-5,704,256.64

Finding the Fourth Proportional to 8,807,213.28, 12,142,707.12 and 5,704,256.64

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Solution

The fourth proportional to 8,807,213.28, 12,142,707.12 and 5,704,256.64 is: 7,864,589.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807,213.28 : 12,142,707.12 = 5,704,256.64 : x
  2. Step 2: Convert to fraction form
    8,807,213.28/12,142,707.12 = 5,704,256.64/x
  3. Step 3: Cross multiply
    8,807,213.28x = 12,142,707.12 × 5,704,256.64
  4. Step 4: Simplify right side
    8,807,213.28x = 69,265,117,716,835.27
  5. Step 5: Solve for x
    x = 69,265,117,716,835.27/8,807,213.28
  6. Step 6: Final answer
    x = 7,864,589.57

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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.