Home / 8,172,492.68-11,278,039.35-4,736,726.60

Finding the Fourth Proportional to 8,172,492.68, 11,278,039.35 and 4,736,726.60

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Solution

The fourth proportional to 8,172,492.68, 11,278,039.35 and 4,736,726.60 is: 6,536,682.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,492.68 : 11,278,039.35 = 4,736,726.60 : x
  2. Step 2: Convert to fraction form
    8,172,492.68/11,278,039.35 = 4,736,726.60/x
  3. Step 3: Cross multiply
    8,172,492.68x = 11,278,039.35 × 4,736,726.60
  4. Step 4: Simplify right side
    8,172,492.68x = 53,420,988,984,991.70
  5. Step 5: Solve for x
    x = 53,420,988,984,991.70/8,172,492.68
  6. Step 6: Final answer
    x = 6,536,682.39

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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.