Home / 19,720,412.10-29,580,618.15-16,697,103.30

Finding the Fourth Proportional to 19,720,412.10, 29,580,618.15 and 16,697,103.30

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Solution

The fourth proportional to 19,720,412.10, 29,580,618.15 and 16,697,103.30 is: 25,045,654.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720,412.10 : 29,580,618.15 = 16,697,103.30 : x
  2. Step 2: Convert to fraction form
    19,720,412.10/29,580,618.15 = 16,697,103.30/x
  3. Step 3: Cross multiply
    19,720,412.10x = 29,580,618.15 × 16,697,103.30
  4. Step 4: Simplify right side
    19,720,412.10x = 493,910,636,928,404.88
  5. Step 5: Solve for x
    x = 493,910,636,928,404.88/19,720,412.10
  6. Step 6: Final answer
    x = 25,045,654.95

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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.