Home / 13,783,243.20-20,674,864.80-13,570,666.80

Finding the Fourth Proportional to 13,783,243.20, 20,674,864.80 and 13,570,666.80

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Solution

The fourth proportional to 13,783,243.20, 20,674,864.80 and 13,570,666.80 is: 20,356,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783,243.20 : 20,674,864.80 = 13,570,666.80 : x
  2. Step 2: Convert to fraction form
    13,783,243.20/20,674,864.80 = 13,570,666.80/x
  3. Step 3: Cross multiply
    13,783,243.20x = 20,674,864.80 × 13,570,666.80
  4. Step 4: Simplify right side
    13,783,243.20x = 280,571,701,335,848.66
  5. Step 5: Solve for x
    x = 280,571,701,335,848.66/13,783,243.20
  6. Step 6: Final answer
    x = 20,356,000.20

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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.