Home / 19,017,006.38-28,526,702.82-5,371,221.23

Finding the Fourth Proportional to 19,017,006.38, 28,526,702.82 and 5,371,221.23

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Solution

The fourth proportional to 19,017,006.38, 28,526,702.82 and 5,371,221.23 is: 8,057,168.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017,006.38 : 28,526,702.82 = 5,371,221.23 : x
  2. Step 2: Convert to fraction form
    19,017,006.38/28,526,702.82 = 5,371,221.23/x
  3. Step 3: Cross multiply
    19,017,006.38x = 28,526,702.82 × 5,371,221.23
  4. Step 4: Simplify right side
    19,017,006.38x = 153,223,231,808,684.88
  5. Step 5: Solve for x
    x = 153,223,231,808,684.88/19,017,006.38
  6. Step 6: Final answer
    x = 8,057,168.87

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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.