Home / 8,032,221.02-11,080,358.25-5,128,558.94

Finding the Fourth Proportional to 8,032,221.02, 11,080,358.25 and 5,128,558.94

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Solution

The fourth proportional to 8,032,221.02, 11,080,358.25 and 5,128,558.94 is: 7,074,789.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,032,221.02 : 11,080,358.25 = 5,128,558.94 : x
  2. Step 2: Convert to fraction form
    8,032,221.02/11,080,358.25 = 5,128,558.94/x
  3. Step 3: Cross multiply
    8,032,221.02x = 11,080,358.25 × 5,128,558.94
  4. Step 4: Simplify right side
    8,032,221.02x = 56,826,270,369,909.05
  5. Step 5: Solve for x
    x = 56,826,270,369,909.05/8,032,221.02
  6. Step 6: Final answer
    x = 7,074,789.18

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1.5x scale

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.