Home / 20,154,526.80-30,231,790.20-11,053,107.60

Finding the Fourth Proportional to 20,154,526.80, 30,231,790.20 and 11,053,107.60

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Solution

The fourth proportional to 20,154,526.80, 30,231,790.20 and 11,053,107.60 is: 16,579,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154,526.80 : 30,231,790.20 = 11,053,107.60 : x
  2. Step 2: Convert to fraction form
    20,154,526.80/30,231,790.20 = 11,053,107.60/x
  3. Step 3: Cross multiply
    20,154,526.80x = 30,231,790.20 × 11,053,107.60
  4. Step 4: Simplify right side
    20,154,526.80x = 334,155,230,021,225.50
  5. Step 5: Solve for x
    x = 334,155,230,021,225.50/20,154,526.80
  6. Step 6: Final answer
    x = 16,579,661.40

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Similar ratio
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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.