Home / 21,414,773.40-32,083,187.76-19,118,948.28

Finding the Fourth Proportional to 21,414,773.40, 32,083,187.76 and 19,118,948.28

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Solution

The fourth proportional to 21,414,773.40, 32,083,187.76 and 19,118,948.28 is: 28,643,628.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,414,773.40 : 32,083,187.76 = 19,118,948.28 : x
  2. Step 2: Convert to fraction form
    21,414,773.40/32,083,187.76 = 19,118,948.28/x
  3. Step 3: Cross multiply
    21,414,773.40x = 32,083,187.76 × 19,118,948.28
  4. Step 4: Simplify right side
    21,414,773.40x = 613,396,807,440,969.12
  5. Step 5: Solve for x
    x = 613,396,807,440,969.12/21,414,773.40
  6. Step 6: Final answer
    x = 28,643,628.21

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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.