Home / 15,284,157.28-21,083,378.16-9,551,068

Finding the Fourth Proportional to 15,284,157.28, 21,083,378.16 and 9,551,068

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Solution

The fourth proportional to 15,284,157.28, 21,083,378.16 and 9,551,068 is: 13,175,000.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284,157.28 : 21,083,378.16 = 9,551,068 : x
  2. Step 2: Convert to fraction form
    15,284,157.28/21,083,378.16 = 9,551,068/x
  3. Step 3: Cross multiply
    15,284,157.28x = 21,083,378.16 × 9,551,068
  4. Step 4: Simplify right side
    15,284,157.28x = 201,368,778,475,874.88
  5. Step 5: Solve for x
    x = 201,368,778,475,874.88/15,284,157.28
  6. Step 6: Final answer
    x = 13,175,000.41

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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.