Home / 38,536,766.32-53,180,679.88-20,895,636.84

Finding the Fourth Proportional to 38,536,766.32, 53,180,679.88 and 20,895,636.84

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Solution

The fourth proportional to 38,536,766.32, 53,180,679.88 and 20,895,636.84 is: 28,835,947.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,536,766.32 : 53,180,679.88 = 20,895,636.84 : x
  2. Step 2: Convert to fraction form
    38,536,766.32/53,180,679.88 = 20,895,636.84/x
  3. Step 3: Cross multiply
    38,536,766.32x = 53,180,679.88 × 20,895,636.84
  4. Step 4: Simplify right side
    38,536,766.32x = 1,111,244,173,676,774.88
  5. Step 5: Solve for x
    x = 1,111,244,173,676,774.88/38,536,766.32
  6. Step 6: Final answer
    x = 28,835,947.58

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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.