Home / 11,520,412.80-17,280,619.20-9,672,835.20

Finding the Fourth Proportional to 11,520,412.80, 17,280,619.20 and 9,672,835.20

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Solution

The fourth proportional to 11,520,412.80, 17,280,619.20 and 9,672,835.20 is: 14,509,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520,412.80 : 17,280,619.20 = 9,672,835.20 : x
  2. Step 2: Convert to fraction form
    11,520,412.80/17,280,619.20 = 9,672,835.20/x
  3. Step 3: Cross multiply
    11,520,412.80x = 17,280,619.20 × 9,672,835.20
  4. Step 4: Simplify right side
    11,520,412.80x = 167,152,581,675,555.81
  5. Step 5: Solve for x
    x = 167,152,581,675,555.81/11,520,412.80
  6. Step 6: Final answer
    x = 14,509,252.80

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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.