Home / 14,682,663.05-20,261,511.72-8,156,702.84

Finding the Fourth Proportional to 14,682,663.05, 20,261,511.72 and 8,156,702.84

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Solution

The fourth proportional to 14,682,663.05, 20,261,511.72 and 8,156,702.84 is: 11,255,936.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,682,663.05 : 20,261,511.72 = 8,156,702.84 : x
  2. Step 2: Convert to fraction form
    14,682,663.05/20,261,511.72 = 8,156,702.84/x
  3. Step 3: Cross multiply
    14,682,663.05x = 20,261,511.72 × 8,156,702.84
  4. Step 4: Simplify right side
    14,682,663.05x = 165,267,130,087,909.72
  5. Step 5: Solve for x
    x = 165,267,130,087,909.72/14,682,663.05
  6. Step 6: Final answer
    x = 11,255,936.99

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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.