Home / 20,736,052.40-31,104,078.60-19,476,340.40

Finding the Fourth Proportional to 20,736,052.40, 31,104,078.60 and 19,476,340.40

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Solution

The fourth proportional to 20,736,052.40, 31,104,078.60 and 19,476,340.40 is: 29,214,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,052.40 : 31,104,078.60 = 19,476,340.40 : x
  2. Step 2: Convert to fraction form
    20,736,052.40/31,104,078.60 = 19,476,340.40/x
  3. Step 3: Cross multiply
    20,736,052.40x = 31,104,078.60 × 19,476,340.40
  4. Step 4: Simplify right side
    20,736,052.40x = 605,793,622,641,955.38
  5. Step 5: Solve for x
    x = 605,793,622,641,955.38/20,736,052.40
  6. Step 6: Final answer
    x = 29,214,510.60

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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.