Home / 8,679,929.30-13,014,973.20-3,288,755.60

Finding the Fourth Proportional to 8,679,929.30, 13,014,973.20 and 3,288,755.60

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Solution

The fourth proportional to 8,679,929.30, 13,014,973.20 and 3,288,755.60 is: 4,931,268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679,929.30 : 13,014,973.20 = 3,288,755.60 : x
  2. Step 2: Convert to fraction form
    8,679,929.30/13,014,973.20 = 3,288,755.60/x
  3. Step 3: Cross multiply
    8,679,929.30x = 13,014,973.20 × 3,288,755.60
  4. Step 4: Simplify right side
    8,679,929.30x = 42,803,065,995,349.92
  5. Step 5: Solve for x
    x = 42,803,065,995,349.92/8,679,929.30
  6. Step 6: Final answer
    x = 4,931,268.97

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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.