Home / 20,519,190.26-28,316,510.12-11,227,633.28

Finding the Fourth Proportional to 20,519,190.26, 28,316,510.12 and 11,227,633.28

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Solution

The fourth proportional to 20,519,190.26, 28,316,510.12 and 11,227,633.28 is: 15,494,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,519,190.26 : 28,316,510.12 = 11,227,633.28 : x
  2. Step 2: Convert to fraction form
    20,519,190.26/28,316,510.12 = 11,227,633.28/x
  3. Step 3: Cross multiply
    20,519,190.26x = 28,316,510.12 × 11,227,633.28
  4. Step 4: Simplify right side
    20,519,190.26x = 317,927,391,340,630.56
  5. Step 5: Solve for x
    x = 317,927,391,340,630.56/20,519,190.26
  6. Step 6: Final answer
    x = 15,494,149.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.