Home / 28,775,436.10-43,156,933.35-12,601,356.10

Finding the Fourth Proportional to 28,775,436.10, 43,156,933.35 and 12,601,356.10

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Solution

The fourth proportional to 28,775,436.10, 43,156,933.35 and 12,601,356.10 is: 18,899,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,775,436.10 : 43,156,933.35 = 12,601,356.10 : x
  2. Step 2: Convert to fraction form
    28,775,436.10/43,156,933.35 = 12,601,356.10/x
  3. Step 3: Cross multiply
    28,775,436.10x = 43,156,933.35 × 12,601,356.10
  4. Step 4: Simplify right side
    28,775,436.10x = 543,835,885,327,315.94
  5. Step 5: Solve for x
    x = 543,835,885,327,315.94/28,775,436.10
  6. Step 6: Final answer
    x = 18,899,309.93

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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.