Home / 20,185,234.40-30,277,851.60-18,001,733.60

Finding the Fourth Proportional to 20,185,234.40, 30,277,851.60 and 18,001,733.60

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Solution

The fourth proportional to 20,185,234.40, 30,277,851.60 and 18,001,733.60 is: 27,002,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,234.40 : 30,277,851.60 = 18,001,733.60 : x
  2. Step 2: Convert to fraction form
    20,185,234.40/30,277,851.60 = 18,001,733.60/x
  3. Step 3: Cross multiply
    20,185,234.40x = 30,277,851.60 × 18,001,733.60
  4. Step 4: Simplify right side
    20,185,234.40x = 545,053,818,483,533.81
  5. Step 5: Solve for x
    x = 545,053,818,483,533.81/20,185,234.40
  6. Step 6: Final answer
    x = 27,002,600.40

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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.