Home / 14,423,803.89-19,904,845.86-7,897,431.62

Finding the Fourth Proportional to 14,423,803.89, 19,904,845.86 and 7,897,431.62

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Solution

The fourth proportional to 14,423,803.89, 19,904,845.86 and 7,897,431.62 is: 10,898,453.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423,803.89 : 19,904,845.86 = 7,897,431.62 : x
  2. Step 2: Convert to fraction form
    14,423,803.89/19,904,845.86 = 7,897,431.62/x
  3. Step 3: Cross multiply
    14,423,803.89x = 19,904,845.86 × 7,897,431.62
  4. Step 4: Simplify right side
    14,423,803.89x = 157,197,159,073,993.09
  5. Step 5: Solve for x
    x = 157,197,159,073,993.09/14,423,803.89
  6. Step 6: Final answer
    x = 10,898,453.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.