Home / 14,689,868.94-20,272,511.43-8,163,773.46

Finding the Fourth Proportional to 14,689,868.94, 20,272,511.43 and 8,163,773.46

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Solution

The fourth proportional to 14,689,868.94, 20,272,511.43 and 8,163,773.46 is: 11,266,280.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,689,868.94 : 20,272,511.43 = 8,163,773.46 : x
  2. Step 2: Convert to fraction form
    14,689,868.94/20,272,511.43 = 8,163,773.46/x
  3. Step 3: Cross multiply
    14,689,868.94x = 20,272,511.43 × 8,163,773.46
  4. Step 4: Simplify right side
    14,689,868.94x = 165,500,190,779,780.66
  5. Step 5: Solve for x
    x = 165,500,190,779,780.66/14,689,868.94
  6. Step 6: Final answer
    x = 11,266,280.96

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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.