Home / 20,036,122.96-27,649,858.80-11,334,111.52

Finding the Fourth Proportional to 20,036,122.96, 27,649,858.80 and 11,334,111.52

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Solution

The fourth proportional to 20,036,122.96, 27,649,858.80 and 11,334,111.52 is: 15,641,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036,122.96 : 27,649,858.80 = 11,334,111.52 : x
  2. Step 2: Convert to fraction form
    20,036,122.96/27,649,858.80 = 11,334,111.52/x
  3. Step 3: Cross multiply
    20,036,122.96x = 27,649,858.80 × 11,334,111.52
  4. Step 4: Simplify right side
    20,036,122.96x = 313,386,583,151,453.38
  5. Step 5: Solve for x
    x = 313,386,583,151,453.38/20,036,122.96
  6. Step 6: Final answer
    x = 15,641,079.05

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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.