Home / 20,727,254.56-28,588,800.72-17,969,009.92

Finding the Fourth Proportional to 20,727,254.56, 28,588,800.72 and 17,969,009.92

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Solution

The fourth proportional to 20,727,254.56, 28,588,800.72 and 17,969,009.92 is: 24,784,394.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727,254.56 : 28,588,800.72 = 17,969,009.92 : x
  2. Step 2: Convert to fraction form
    20,727,254.56/28,588,800.72 = 17,969,009.92/x
  3. Step 3: Cross multiply
    20,727,254.56x = 28,588,800.72 × 17,969,009.92
  4. Step 4: Simplify right side
    20,727,254.56x = 513,712,443,738,583.19
  5. Step 5: Solve for x
    x = 513,712,443,738,583.19/20,727,254.56
  6. Step 6: Final answer
    x = 24,784,394.01

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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.