Home / 8,784,447.72-12,120,814.56-5,519,370.96

Finding the Fourth Proportional to 8,784,447.72, 12,120,814.56 and 5,519,370.96

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Solution

The fourth proportional to 8,784,447.72, 12,120,814.56 and 5,519,370.96 is: 7,615,649.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784,447.72 : 12,120,814.56 = 5,519,370.96 : x
  2. Step 2: Convert to fraction form
    8,784,447.72/12,120,814.56 = 5,519,370.96/x
  3. Step 3: Cross multiply
    8,784,447.72x = 12,120,814.56 × 5,519,370.96
  4. Step 4: Simplify right side
    8,784,447.72x = 66,899,271,894,009.18
  5. Step 5: Solve for x
    x = 66,899,271,894,009.18/8,784,447.72
  6. Step 6: Final answer
    x = 7,615,649.16

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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.