Home / 28,431,042.70-42,646,564.05-23,329,209.10

Finding the Fourth Proportional to 28,431,042.70, 42,646,564.05 and 23,329,209.10

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Solution

The fourth proportional to 28,431,042.70, 42,646,564.05 and 23,329,209.10 is: 34,993,813.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,431,042.70 : 42,646,564.05 = 23,329,209.10 : x
  2. Step 2: Convert to fraction form
    28,431,042.70/42,646,564.05 = 23,329,209.10/x
  3. Step 3: Cross multiply
    28,431,042.70x = 42,646,564.05 × 23,329,209.10
  4. Step 4: Simplify right side
    28,431,042.70x = 994,910,610,118,992.88
  5. Step 5: Solve for x
    x = 994,910,610,118,992.88/28,431,042.70
  6. Step 6: Final answer
    x = 34,993,813.65

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Double scale
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Similar ratio
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1.5x scale

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.