Home / 27,218,721.70-40,828,082.55-18,596,692.90

Finding the Fourth Proportional to 27,218,721.70, 40,828,082.55 and 18,596,692.90

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Solution

The fourth proportional to 27,218,721.70, 40,828,082.55 and 18,596,692.90 is: 27,895,039.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218,721.70 : 40,828,082.55 = 18,596,692.90 : x
  2. Step 2: Convert to fraction form
    27,218,721.70/40,828,082.55 = 18,596,692.90/x
  3. Step 3: Cross multiply
    27,218,721.70x = 40,828,082.55 × 18,596,692.90
  4. Step 4: Simplify right side
    27,218,721.70x = 759,267,312,878,198.75
  5. Step 5: Solve for x
    x = 759,267,312,878,198.75/27,218,721.70
  6. Step 6: Final answer
    x = 27,895,039.35

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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.