Home / 13,945,574.40-20,918,361.60-9,640,902.30

Finding the Fourth Proportional to 13,945,574.40, 20,918,361.60 and 9,640,902.30

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Solution

The fourth proportional to 13,945,574.40, 20,918,361.60 and 9,640,902.30 is: 14,461,353.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945,574.40 : 20,918,361.60 = 9,640,902.30 : x
  2. Step 2: Convert to fraction form
    13,945,574.40/20,918,361.60 = 9,640,902.30/x
  3. Step 3: Cross multiply
    13,945,574.40x = 20,918,361.60 × 9,640,902.30
  4. Step 4: Simplify right side
    13,945,574.40x = 201,671,880,461,671.72
  5. Step 5: Solve for x
    x = 201,671,880,461,671.72/13,945,574.40
  6. Step 6: Final answer
    x = 14,461,353.45

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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.