Home / 28,431,028.70-42,646,543.05-23,329,195.10

Finding the Fourth Proportional to 28,431,028.70, 42,646,543.05 and 23,329,195.10

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Solution

The fourth proportional to 28,431,028.70, 42,646,543.05 and 23,329,195.10 is: 34,993,792.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,431,028.70 : 42,646,543.05 = 23,329,195.10 : x
  2. Step 2: Convert to fraction form
    28,431,028.70/42,646,543.05 = 23,329,195.10/x
  3. Step 3: Cross multiply
    28,431,028.70x = 42,646,543.05 × 23,329,195.10
  4. Step 4: Simplify right side
    28,431,028.70x = 994,909,523,153,999
  5. Step 5: Solve for x
    x = 994,909,523,153,999/28,431,028.70
  6. Step 6: Final answer
    x = 34,993,792.65

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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.