Home / 28,977,122.70-43,493,677.65-17,639,714.70

Finding the Fourth Proportional to 28,977,122.70, 43,493,677.65 and 17,639,714.70

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Solution

The fourth proportional to 28,977,122.70, 43,493,677.65 and 17,639,714.70 is: 26,476,613.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977,122.70 : 43,493,677.65 = 17,639,714.70 : x
  2. Step 2: Convert to fraction form
    28,977,122.70/43,493,677.65 = 17,639,714.70/x
  3. Step 3: Cross multiply
    28,977,122.70x = 43,493,677.65 × 17,639,714.70
  4. Step 4: Simplify right side
    28,977,122.70x = 767,216,064,999,766.38
  5. Step 5: Solve for x
    x = 767,216,064,999,766.38/28,977,122.70
  6. Step 6: Final answer
    x = 26,476,613.05

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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.