Home / 8,120,089.08-11,205,294.56-4,635,289.50

Finding the Fourth Proportional to 8,120,089.08, 11,205,294.56 and 4,635,289.50

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Solution

The fourth proportional to 8,120,089.08, 11,205,294.56 and 4,635,289.50 is: 6,396,454.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120,089.08 : 11,205,294.56 = 4,635,289.50 : x
  2. Step 2: Convert to fraction form
    8,120,089.08/11,205,294.56 = 4,635,289.50/x
  3. Step 3: Cross multiply
    8,120,089.08x = 11,205,294.56 × 4,635,289.50
  4. Step 4: Simplify right side
    8,120,089.08x = 51,939,784,218,375.12
  5. Step 5: Solve for x
    x = 51,939,784,218,375.12/8,120,089.08
  6. Step 6: Final answer
    x = 6,396,454.98

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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.