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Finding the Fourth Proportional to 29,788,751.44, 44,750,390.80 and 17,666,166.10

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Solution

The fourth proportional to 29,788,751.44, 44,750,390.80 and 17,666,166.10 is: 26,539,139.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,788,751.44 : 44,750,390.80 = 17,666,166.10 : x
  2. Step 2: Convert to fraction form
    29,788,751.44/44,750,390.80 = 17,666,166.10/x
  3. Step 3: Cross multiply
    29,788,751.44x = 44,750,390.80 × 17,666,166.10
  4. Step 4: Simplify right side
    29,788,751.44x = 790,567,836,912,711.88
  5. Step 5: Solve for x
    x = 790,567,836,912,711.88/29,788,751.44
  6. Step 6: Final answer
    x = 26,539,139.73

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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.