Home / 13,457,116.32-20,185,961.28-4,821,780.88

Finding the Fourth Proportional to 13,457,116.32, 20,185,961.28 and 4,821,780.88

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Solution

The fourth proportional to 13,457,116.32, 20,185,961.28 and 4,821,780.88 is: 7,232,774.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457,116.32 : 20,185,961.28 = 4,821,780.88 : x
  2. Step 2: Convert to fraction form
    13,457,116.32/20,185,961.28 = 4,821,780.88/x
  3. Step 3: Cross multiply
    13,457,116.32x = 20,185,961.28 × 4,821,780.88
  4. Step 4: Simplify right side
    13,457,116.32x = 97,332,282,144,324.33
  5. Step 5: Solve for x
    x = 97,332,282,144,324.33/13,457,116.32
  6. Step 6: Final answer
    x = 7,232,774.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.