Home / 13,328,281.80-19,992,422.70-8,289,433.80

Finding the Fourth Proportional to 13,328,281.80, 19,992,422.70 and 8,289,433.80

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Solution

The fourth proportional to 13,328,281.80, 19,992,422.70 and 8,289,433.80 is: 12,434,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328,281.80 : 19,992,422.70 = 8,289,433.80 : x
  2. Step 2: Convert to fraction form
    13,328,281.80/19,992,422.70 = 8,289,433.80/x
  3. Step 3: Cross multiply
    13,328,281.80x = 19,992,422.70 × 8,289,433.80
  4. Step 4: Simplify right side
    13,328,281.80x = 165,725,864,473,267.25
  5. Step 5: Solve for x
    x = 165,725,864,473,267.25/13,328,281.80
  6. Step 6: Final answer
    x = 12,434,150.70

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1.5x scale

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.