Home / 14,163,068.76-21,208,728.78-8,782,227.96

Finding the Fourth Proportional to 14,163,068.76, 21,208,728.78 and 8,782,227.96

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Solution

The fourth proportional to 14,163,068.76, 21,208,728.78 and 8,782,227.96 is: 13,151,096.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163,068.76 : 21,208,728.78 = 8,782,227.96 : x
  2. Step 2: Convert to fraction form
    14,163,068.76/21,208,728.78 = 8,782,227.96/x
  3. Step 3: Cross multiply
    14,163,068.76x = 21,208,728.78 × 8,782,227.96
  4. Step 4: Simplify right side
    14,163,068.76x = 186,259,890,887,772.72
  5. Step 5: Solve for x
    x = 186,259,890,887,772.72/14,163,068.76
  6. Step 6: Final answer
    x = 13,151,096.99

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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.