Home / 9,984,412.80-13,778,424.72-5,400,635.76

Finding the Fourth Proportional to 9,984,412.80, 13,778,424.72 and 5,400,635.76

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Solution

The fourth proportional to 9,984,412.80, 13,778,424.72 and 5,400,635.76 is: 7,452,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,984,412.80 : 13,778,424.72 = 5,400,635.76 : x
  2. Step 2: Convert to fraction form
    9,984,412.80/13,778,424.72 = 5,400,635.76/x
  3. Step 3: Cross multiply
    9,984,412.80x = 13,778,424.72 × 5,400,635.76
  4. Step 4: Simplify right side
    9,984,412.80x = 74,412,253,259,299.98
  5. Step 5: Solve for x
    x = 74,412,253,259,299.98/9,984,412.80
  6. Step 6: Final answer
    x = 7,452,842.22

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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.