Home / 13,328,376.80-19,992,565.20-8,289,528.80

Finding the Fourth Proportional to 13,328,376.80, 19,992,565.20 and 8,289,528.80

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Solution

The fourth proportional to 13,328,376.80, 19,992,565.20 and 8,289,528.80 is: 12,434,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328,376.80 : 19,992,565.20 = 8,289,528.80 : x
  2. Step 2: Convert to fraction form
    13,328,376.80/19,992,565.20 = 8,289,528.80/x
  3. Step 3: Cross multiply
    13,328,376.80x = 19,992,565.20 × 8,289,528.80
  4. Step 4: Simplify right side
    13,328,376.80x = 165,728,945,011,277.75
  5. Step 5: Solve for x
    x = 165,728,945,011,277.75/13,328,376.80
  6. Step 6: Final answer
    x = 12,434,293.20

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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.