Home / 30,605,949.95-42,234,846.68-17,543,842.43

Finding the Fourth Proportional to 30,605,949.95, 42,234,846.68 and 17,543,842.43

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Solution

The fourth proportional to 30,605,949.95, 42,234,846.68 and 17,543,842.43 is: 24,209,720.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,605,949.95 : 42,234,846.68 = 17,543,842.43 : x
  2. Step 2: Convert to fraction form
    30,605,949.95/42,234,846.68 = 17,543,842.43/x
  3. Step 3: Cross multiply
    30,605,949.95x = 42,234,846.68 × 17,543,842.43
  4. Step 4: Simplify right side
    30,605,949.95x = 740,961,495,121,409.38
  5. Step 5: Solve for x
    x = 740,961,495,121,409.38/30,605,949.95
  6. Step 6: Final answer
    x = 24,209,720.54

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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.