Home / 36,180,123.80-54,254,439.30-11,909,672.60

Finding the Fourth Proportional to 36,180,123.80, 54,254,439.30 and 11,909,672.60

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Solution

The fourth proportional to 36,180,123.80, 54,254,439.30 and 11,909,672.60 is: 17,859,325.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,180,123.80 : 54,254,439.30 = 11,909,672.60 : x
  2. Step 2: Convert to fraction form
    36,180,123.80/54,254,439.30 = 11,909,672.60/x
  3. Step 3: Cross multiply
    36,180,123.80x = 54,254,439.30 × 11,909,672.60
  4. Step 4: Simplify right side
    36,180,123.80x = 646,152,609,159,573.12
  5. Step 5: Solve for x
    x = 646,152,609,159,573.12/36,180,123.80
  6. Step 6: Final answer
    x = 17,859,325.54

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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.