Home / 13,122,016.80-19,683,025.20-11,862,304.80

Finding the Fourth Proportional to 13,122,016.80, 19,683,025.20 and 11,862,304.80

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Solution

The fourth proportional to 13,122,016.80, 19,683,025.20 and 11,862,304.80 is: 17,793,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,016.80 : 19,683,025.20 = 11,862,304.80 : x
  2. Step 2: Convert to fraction form
    13,122,016.80/19,683,025.20 = 11,862,304.80/x
  3. Step 3: Cross multiply
    13,122,016.80x = 19,683,025.20 × 11,862,304.80
  4. Step 4: Simplify right side
    13,122,016.80x = 233,486,044,308,480.97
  5. Step 5: Solve for x
    x = 233,486,044,308,480.97/13,122,016.80
  6. Step 6: Final answer
    x = 17,793,457.20

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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.