Home / 14,376,905.43-21,561,430.23-5,153,158.73

Finding the Fourth Proportional to 14,376,905.43, 21,561,430.23 and 5,153,158.73

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Solution

The fourth proportional to 14,376,905.43, 21,561,430.23 and 5,153,158.73 is: 7,728,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,376,905.43 : 21,561,430.23 = 5,153,158.73 : x
  2. Step 2: Convert to fraction form
    14,376,905.43/21,561,430.23 = 5,153,158.73/x
  3. Step 3: Cross multiply
    14,376,905.43x = 21,561,430.23 × 5,153,158.73
  4. Step 4: Simplify right side
    14,376,905.43x = 111,109,472,433,725.44
  5. Step 5: Solve for x
    x = 111,109,472,433,725.44/14,376,905.43
  6. Step 6: Final answer
    x = 7,728,330.20

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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.