Home / 9,879,417.20-14,854,555.20-8,320,523.60

Finding the Fourth Proportional to 9,879,417.20, 14,854,555.20 and 8,320,523.60

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Solution

The fourth proportional to 9,879,417.20, 14,854,555.20 and 8,320,523.60 is: 12,510,624.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879,417.20 : 14,854,555.20 = 8,320,523.60 : x
  2. Step 2: Convert to fraction form
    9,879,417.20/14,854,555.20 = 8,320,523.60/x
  3. Step 3: Cross multiply
    9,879,417.20x = 14,854,555.20 × 8,320,523.60
  4. Step 4: Simplify right side
    9,879,417.20x = 123,597,677,109,102.70
  5. Step 5: Solve for x
    x = 123,597,677,109,102.70/9,879,417.20
  6. Step 6: Final answer
    x = 12,510,624.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.