Home / 19,604,003.70-29,406,005.55-18,722,205.30

Finding the Fourth Proportional to 19,604,003.70, 29,406,005.55 and 18,722,205.30

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Solution

The fourth proportional to 19,604,003.70, 29,406,005.55 and 18,722,205.30 is: 28,083,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604,003.70 : 29,406,005.55 = 18,722,205.30 : x
  2. Step 2: Convert to fraction form
    19,604,003.70/29,406,005.55 = 18,722,205.30/x
  3. Step 3: Cross multiply
    19,604,003.70x = 29,406,005.55 × 18,722,205.30
  4. Step 4: Simplify right side
    19,604,003.70x = 550,545,272,960,039.44
  5. Step 5: Solve for x
    x = 550,545,272,960,039.44/19,604,003.70
  6. Step 6: Final answer
    x = 28,083,307.95

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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.