Home / 15,284,155.28-21,083,375.40-9,551,066

Finding the Fourth Proportional to 15,284,155.28, 21,083,375.40 and 9,551,066

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Solution

The fourth proportional to 15,284,155.28, 21,083,375.40 and 9,551,066 is: 13,174,997.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284,155.28 : 21,083,375.40 = 9,551,066 : x
  2. Step 2: Convert to fraction form
    15,284,155.28/21,083,375.40 = 9,551,066/x
  3. Step 3: Cross multiply
    15,284,155.28x = 21,083,375.40 × 9,551,066
  4. Step 4: Simplify right side
    15,284,155.28x = 201,368,709,948,176.38
  5. Step 5: Solve for x
    x = 201,368,709,948,176.38/15,284,155.28
  6. Step 6: Final answer
    x = 13,174,997.65

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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.