Home / 10,425,428.88-14,378,558.70-7,338,171.36

Finding the Fourth Proportional to 10,425,428.88, 14,378,558.70 and 7,338,171.36

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Solution

The fourth proportional to 10,425,428.88, 14,378,558.70 and 7,338,171.36 is: 10,120,670.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425,428.88 : 14,378,558.70 = 7,338,171.36 : x
  2. Step 2: Convert to fraction form
    10,425,428.88/14,378,558.70 = 7,338,171.36/x
  3. Step 3: Cross multiply
    10,425,428.88x = 14,378,558.70 × 7,338,171.36
  4. Step 4: Simplify right side
    10,425,428.88x = 105,512,327,650,418.83
  5. Step 5: Solve for x
    x = 105,512,327,650,418.83/10,425,428.88
  6. Step 6: Final answer
    x = 10,120,670.23

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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.