Home / 14,219,113.20-21,328,669.80-11,384,761.20

Finding the Fourth Proportional to 14,219,113.20, 21,328,669.80 and 11,384,761.20

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Solution

The fourth proportional to 14,219,113.20, 21,328,669.80 and 11,384,761.20 is: 17,077,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219,113.20 : 21,328,669.80 = 11,384,761.20 : x
  2. Step 2: Convert to fraction form
    14,219,113.20/21,328,669.80 = 11,384,761.20/x
  3. Step 3: Cross multiply
    14,219,113.20x = 21,328,669.80 × 11,384,761.20
  4. Step 4: Simplify right side
    14,219,113.20x = 242,821,812,386,651.75
  5. Step 5: Solve for x
    x = 242,821,812,386,651.75/14,219,113.20
  6. Step 6: Final answer
    x = 17,077,141.80

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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.