Home / 14,064,233.35-21,097,166.46-5,428,381.78

Finding the Fourth Proportional to 14,064,233.35, 21,097,166.46 and 5,428,381.78

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Solution

The fourth proportional to 14,064,233.35, 21,097,166.46 and 5,428,381.78 is: 8,142,887.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064,233.35 : 21,097,166.46 = 5,428,381.78 : x
  2. Step 2: Convert to fraction form
    14,064,233.35/21,097,166.46 = 5,428,381.78/x
  3. Step 3: Cross multiply
    14,064,233.35x = 21,097,166.46 × 5,428,381.78
  4. Step 4: Simplify right side
    14,064,233.35x = 114,523,474,021,091.11
  5. Step 5: Solve for x
    x = 114,523,474,021,091.11/14,064,233.35
  6. Step 6: Final answer
    x = 8,142,887.79

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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.