Home / 13,345,090.49-20,017,638.47-3,759,223.45

Finding the Fourth Proportional to 13,345,090.49, 20,017,638.47 and 3,759,223.45

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Solution

The fourth proportional to 13,345,090.49, 20,017,638.47 and 3,759,223.45 is: 5,638,835.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345,090.49 : 20,017,638.47 = 3,759,223.45 : x
  2. Step 2: Convert to fraction form
    13,345,090.49/20,017,638.47 = 3,759,223.45/x
  3. Step 3: Cross multiply
    13,345,090.49x = 20,017,638.47 × 3,759,223.45
  4. Step 4: Simplify right side
    13,345,090.49x = 75,250,775,950,046.12
  5. Step 5: Solve for x
    x = 75,250,775,950,046.12/13,345,090.49
  6. Step 6: Final answer
    x = 5,638,835.95

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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.