Home / 9,771,682.32-13,484,905.92-5,421,431.52

Finding the Fourth Proportional to 9,771,682.32, 13,484,905.92 and 5,421,431.52

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Solution

The fourth proportional to 9,771,682.32, 13,484,905.92 and 5,421,431.52 is: 7,481,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,771,682.32 : 13,484,905.92 = 5,421,431.52 : x
  2. Step 2: Convert to fraction form
    9,771,682.32/13,484,905.92 = 5,421,431.52/x
  3. Step 3: Cross multiply
    9,771,682.32x = 13,484,905.92 × 5,421,431.52
  4. Step 4: Simplify right side
    9,771,682.32x = 73,107,493,998,922.59
  5. Step 5: Solve for x
    x = 73,107,493,998,922.59/9,771,682.32
  6. Step 6: Final answer
    x = 7,481,566.80

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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.