Home / 13,471,774.80-20,207,662.20-9,220,246.80

Finding the Fourth Proportional to 13,471,774.80, 20,207,662.20 and 9,220,246.80

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Solution

The fourth proportional to 13,471,774.80, 20,207,662.20 and 9,220,246.80 is: 13,830,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471,774.80 : 20,207,662.20 = 9,220,246.80 : x
  2. Step 2: Convert to fraction form
    13,471,774.80/20,207,662.20 = 9,220,246.80/x
  3. Step 3: Cross multiply
    13,471,774.80x = 20,207,662.20 × 9,220,246.80
  4. Step 4: Simplify right side
    13,471,774.80x = 186,319,632,735,030.97
  5. Step 5: Solve for x
    x = 186,319,632,735,030.97/13,471,774.80
  6. Step 6: Final answer
    x = 13,830,370.20

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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.