Home / 14,078,006.10-21,158,999.55-13,826,063.70

Finding the Fourth Proportional to 14,078,006.10, 21,158,999.55 and 13,826,063.70

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Solution

The fourth proportional to 14,078,006.10, 21,158,999.55 and 13,826,063.70 is: 20,780,334.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078,006.10 : 21,158,999.55 = 13,826,063.70 : x
  2. Step 2: Convert to fraction form
    14,078,006.10/21,158,999.55 = 13,826,063.70/x
  3. Step 3: Cross multiply
    14,078,006.10x = 21,158,999.55 × 13,826,063.70
  4. Step 4: Simplify right side
    14,078,006.10x = 292,545,675,606,571.31
  5. Step 5: Solve for x
    x = 292,545,675,606,571.31/14,078,006.10
  6. Step 6: Final answer
    x = 20,780,334.48

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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.