Home / 15,284,153.28-21,083,372.64-9,551,064

Finding the Fourth Proportional to 15,284,153.28, 21,083,372.64 and 9,551,064

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Solution

The fourth proportional to 15,284,153.28, 21,083,372.64 and 9,551,064 is: 13,174,994.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284,153.28 : 21,083,372.64 = 9,551,064 : x
  2. Step 2: Convert to fraction form
    15,284,153.28/21,083,372.64 = 9,551,064/x
  3. Step 3: Cross multiply
    15,284,153.28x = 21,083,372.64 × 9,551,064
  4. Step 4: Simplify right side
    15,284,153.28x = 201,368,641,420,488.97
  5. Step 5: Solve for x
    x = 201,368,641,420,488.97/15,284,153.28
  6. Step 6: Final answer
    x = 13,174,994.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.