Home / 28,543,895.08-39,384,876.90-17,372,905.64

Finding the Fourth Proportional to 28,543,895.08, 39,384,876.90 and 17,372,905.64

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Solution

The fourth proportional to 28,543,895.08, 39,384,876.90 and 17,372,905.64 is: 23,971,141.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,543,895.08 : 39,384,876.90 = 17,372,905.64 : x
  2. Step 2: Convert to fraction form
    28,543,895.08/39,384,876.90 = 17,372,905.64/x
  3. Step 3: Cross multiply
    28,543,895.08x = 39,384,876.90 × 17,372,905.64
  4. Step 4: Simplify right side
    28,543,895.08x = 684,229,750,026,715.75
  5. Step 5: Solve for x
    x = 684,229,750,026,715.75/28,543,895.08
  6. Step 6: Final answer
    x = 23,971,141.57

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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.