Home / 32,905,290.78-45,409,272.66-18,220,956.30

Finding the Fourth Proportional to 32,905,290.78, 45,409,272.66 and 18,220,956.30

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Solution

The fourth proportional to 32,905,290.78, 45,409,272.66 and 18,220,956.30 is: 25,144,903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,905,290.78 : 45,409,272.66 = 18,220,956.30 : x
  2. Step 2: Convert to fraction form
    32,905,290.78/45,409,272.66 = 18,220,956.30/x
  3. Step 3: Cross multiply
    32,905,290.78x = 45,409,272.66 × 18,220,956.30
  4. Step 4: Simplify right side
    32,905,290.78x = 827,400,372,752,644.75
  5. Step 5: Solve for x
    x = 827,400,372,752,644.75/32,905,290.78
  6. Step 6: Final answer
    x = 25,144,903.85

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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.