Home / 9,829,890.36-13,565,338.86-5,419,774.20

Finding the Fourth Proportional to 9,829,890.36, 13,565,338.86 and 5,419,774.20

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Solution

The fourth proportional to 9,829,890.36, 13,565,338.86 and 5,419,774.20 is: 7,479,338.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829,890.36 : 13,565,338.86 = 5,419,774.20 : x
  2. Step 2: Convert to fraction form
    9,829,890.36/13,565,338.86 = 5,419,774.20/x
  3. Step 3: Cross multiply
    9,829,890.36x = 13,565,338.86 × 5,419,774.20
  4. Step 4: Simplify right side
    9,829,890.36x = 73,521,073,567,685.41
  5. Step 5: Solve for x
    x = 73,521,073,567,685.41/9,829,890.36
  6. Step 6: Final answer
    x = 7,479,338.11

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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.