Home / 20,266,807.02-27,970,190.37-11,566,289.22

Finding the Fourth Proportional to 20,266,807.02, 27,970,190.37 and 11,566,289.22

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Solution

The fourth proportional to 20,266,807.02, 27,970,190.37 and 11,566,289.22 is: 15,962,618.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,266,807.02 : 27,970,190.37 = 11,566,289.22 : x
  2. Step 2: Convert to fraction form
    20,266,807.02/27,970,190.37 = 11,566,289.22/x
  3. Step 3: Cross multiply
    20,266,807.02x = 27,970,190.37 × 11,566,289.22
  4. Step 4: Simplify right side
    20,266,807.02x = 323,511,311,357,878.81
  5. Step 5: Solve for x
    x = 323,511,311,357,878.81/20,266,807.02
  6. Step 6: Final answer
    x = 15,962,618.63

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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.