Home / 19,344,912.80-29,028,428.40-7,386,231.20

Finding the Fourth Proportional to 19,344,912.80, 29,028,428.40 and 7,386,231.20

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Solution

The fourth proportional to 19,344,912.80, 29,028,428.40 and 7,386,231.20 is: 11,083,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,344,912.80 : 29,028,428.40 = 7,386,231.20 : x
  2. Step 2: Convert to fraction form
    19,344,912.80/29,028,428.40 = 7,386,231.20/x
  3. Step 3: Cross multiply
    19,344,912.80x = 29,028,428.40 × 7,386,231.20
  4. Step 4: Simplify right side
    19,344,912.80x = 214,410,683,535,046.06
  5. Step 5: Solve for x
    x = 214,410,683,535,046.06/19,344,912.80
  6. Step 6: Final answer
    x = 11,083,569.40

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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.