Home / 8,640,033.45-11,922,767.63-4,719,008.88

Finding the Fourth Proportional to 8,640,033.45, 11,922,767.63 and 4,719,008.88

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Solution

The fourth proportional to 8,640,033.45, 11,922,767.63 and 4,719,008.88 is: 6,511,970.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640,033.45 : 11,922,767.63 = 4,719,008.88 : x
  2. Step 2: Convert to fraction form
    8,640,033.45/11,922,767.63 = 4,719,008.88/x
  3. Step 3: Cross multiply
    8,640,033.45x = 11,922,767.63 × 4,719,008.88
  4. Step 4: Simplify right side
    8,640,033.45x = 56,263,646,288,312.59
  5. Step 5: Solve for x
    x = 56,263,646,288,312.59/8,640,033.45
  6. Step 6: Final answer
    x = 6,511,970.89

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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.