Home / 30,690,980.07-42,347,230.00-17,635,716.72

Finding the Fourth Proportional to 30,690,980.07, 42,347,230.00 and 17,635,716.72

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Solution

The fourth proportional to 30,690,980.07, 42,347,230.00 and 17,635,716.72 is: 24,333,656.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,690,980.07 : 42,347,230.00 = 17,635,716.72 : x
  2. Step 2: Convert to fraction form
    30,690,980.07/42,347,230.00 = 17,635,716.72/x
  3. Step 3: Cross multiply
    30,690,980.07x = 42,347,230.00 × 17,635,716.72
  4. Step 4: Simplify right side
    30,690,980.07x = 746,823,752,281,268.38
  5. Step 5: Solve for x
    x = 746,823,752,281,268.38/30,690,980.07
  6. Step 6: Final answer
    x = 24,333,656.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.