Home / 38,650,461.70-57,982,690.95-19,432,855.30

Finding the Fourth Proportional to 38,650,461.70, 57,982,690.95 and 19,432,855.30

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Solution

The fourth proportional to 38,650,461.70, 57,982,690.95 and 19,432,855.30 is: 29,152,801.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,650,461.70 : 57,982,690.95 = 19,432,855.30 : x
  2. Step 2: Convert to fraction form
    38,650,461.70/57,982,690.95 = 19,432,855.30/x
  3. Step 3: Cross multiply
    38,650,461.70x = 57,982,690.95 × 19,432,855.30
  4. Step 4: Simplify right side
    38,650,461.70x = 1,126,769,243,135,969.75
  5. Step 5: Solve for x
    x = 1,126,769,243,135,969.75/38,650,461.70
  6. Step 6: Final answer
    x = 29,152,801.64

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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.