Home / 28,193,082.30-42,289,623.45-16,855,674.30

Finding the Fourth Proportional to 28,193,082.30, 42,289,623.45 and 16,855,674.30

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Solution

The fourth proportional to 28,193,082.30, 42,289,623.45 and 16,855,674.30 is: 25,283,511.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193,082.30 : 42,289,623.45 = 16,855,674.30 : x
  2. Step 2: Convert to fraction form
    28,193,082.30/42,289,623.45 = 16,855,674.30/x
  3. Step 3: Cross multiply
    28,193,082.30x = 42,289,623.45 × 16,855,674.30
  4. Step 4: Simplify right side
    28,193,082.30x = 712,820,119,142,842.38
  5. Step 5: Solve for x
    x = 712,820,119,142,842.38/28,193,082.30
  6. Step 6: Final answer
    x = 25,283,511.45

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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.