Home / 10,638,269.87-15,934,484.43-7,207,734.38

Finding the Fourth Proportional to 10,638,269.87, 15,934,484.43 and 7,207,734.38

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Solution

The fourth proportional to 10,638,269.87, 15,934,484.43 and 7,207,734.38 is: 10,796,072.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638,269.87 : 15,934,484.43 = 7,207,734.38 : x
  2. Step 2: Convert to fraction form
    10,638,269.87/15,934,484.43 = 7,207,734.38/x
  3. Step 3: Cross multiply
    10,638,269.87x = 15,934,484.43 × 7,207,734.38
  4. Step 4: Simplify right side
    10,638,269.87x = 114,851,531,174,013.28
  5. Step 5: Solve for x
    x = 114,851,531,174,013.28/10,638,269.87
  6. Step 6: Final answer
    x = 10,796,072.35

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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.