Home / 18,507,809.36-25,540,905.48-10,777,359.44

Finding the Fourth Proportional to 18,507,809.36, 25,540,905.48 and 10,777,359.44

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Solution

The fourth proportional to 18,507,809.36, 25,540,905.48 and 10,777,359.44 is: 14,872,830.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,507,809.36 : 25,540,905.48 = 10,777,359.44 : x
  2. Step 2: Convert to fraction form
    18,507,809.36/25,540,905.48 = 10,777,359.44/x
  3. Step 3: Cross multiply
    18,507,809.36x = 25,540,905.48 × 10,777,359.44
  4. Step 4: Simplify right side
    18,507,809.36x = 275,263,518,781,025.72
  5. Step 5: Solve for x
    x = 275,263,518,781,025.72/18,507,809.36
  6. Step 6: Final answer
    x = 14,872,830.89

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1.5x scale

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.