Home / 14,387,850.30-19,854,642.57-7,861,703.78

Finding the Fourth Proportional to 14,387,850.30, 19,854,642.57 and 7,861,703.78

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Solution

The fourth proportional to 14,387,850.30, 19,854,642.57 and 7,861,703.78 is: 10,848,828.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387,850.30 : 19,854,642.57 = 7,861,703.78 : x
  2. Step 2: Convert to fraction form
    14,387,850.30/19,854,642.57 = 7,861,703.78/x
  3. Step 3: Cross multiply
    14,387,850.30x = 19,854,642.57 × 7,861,703.78
  4. Step 4: Simplify right side
    14,387,850.30x = 156,091,318,543,117.94
  5. Step 5: Solve for x
    x = 156,091,318,543,117.94/14,387,850.30
  6. Step 6: Final answer
    x = 10,848,828.37

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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.