Home / 6,925,817.88-10,388,726.91-1,877,128.38

Finding the Fourth Proportional to 6,925,817.88, 10,388,726.91 and 1,877,128.38

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Solution

The fourth proportional to 6,925,817.88, 10,388,726.91 and 1,877,128.38 is: 2,815,692.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925,817.88 : 10,388,726.91 = 1,877,128.38 : x
  2. Step 2: Convert to fraction form
    6,925,817.88/10,388,726.91 = 1,877,128.38/x
  3. Step 3: Cross multiply
    6,925,817.88x = 10,388,726.91 × 1,877,128.38
  4. Step 4: Simplify right side
    6,925,817.88x = 19,500,974,114,830.70
  5. Step 5: Solve for x
    x = 19,500,974,114,830.70/6,925,817.88
  6. Step 6: Final answer
    x = 2,815,692.59

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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.