Home / 13,661,009.40-20,515,133.70-7,283,717.40

Finding the Fourth Proportional to 13,661,009.40, 20,515,133.70 and 7,283,717.40

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Solution

The fourth proportional to 13,661,009.40, 20,515,133.70 and 7,283,717.40 is: 10,938,169.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,661,009.40 : 20,515,133.70 = 7,283,717.40 : x
  2. Step 2: Convert to fraction form
    13,661,009.40/20,515,133.70 = 7,283,717.40/x
  3. Step 3: Cross multiply
    13,661,009.40x = 20,515,133.70 × 7,283,717.40
  4. Step 4: Simplify right side
    13,661,009.40x = 149,426,436,294,016.38
  5. Step 5: Solve for x
    x = 149,426,436,294,016.38/13,661,009.40
  6. Step 6: Final answer
    x = 10,938,169.50

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1.5x scale

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.