Home / 18,407,495.04-27,611,242.56-5,627,999.76

Finding the Fourth Proportional to 18,407,495.04, 27,611,242.56 and 5,627,999.76

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Solution

The fourth proportional to 18,407,495.04, 27,611,242.56 and 5,627,999.76 is: 8,441,999.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,407,495.04 : 27,611,242.56 = 5,627,999.76 : x
  2. Step 2: Convert to fraction form
    18,407,495.04/27,611,242.56 = 5,627,999.76/x
  3. Step 3: Cross multiply
    18,407,495.04x = 27,611,242.56 × 5,627,999.76
  4. Step 4: Simplify right side
    18,407,495.04x = 155,396,066,500,981.78
  5. Step 5: Solve for x
    x = 155,396,066,500,981.78/18,407,495.04
  6. Step 6: Final answer
    x = 8,441,999.64

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1.5x scale

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.