Home / 10,426,773.69-15,640,128.68-2,645,672.85

Finding the Fourth Proportional to 10,426,773.69, 15,640,128.68 and 2,645,672.85

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Solution

The fourth proportional to 10,426,773.69, 15,640,128.68 and 2,645,672.85 is: 3,968,501.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426,773.69 : 15,640,128.68 = 2,645,672.85 : x
  2. Step 2: Convert to fraction form
    10,426,773.69/15,640,128.68 = 2,645,672.85/x
  3. Step 3: Cross multiply
    10,426,773.69x = 15,640,128.68 × 2,645,672.85
  4. Step 4: Simplify right side
    10,426,773.69x = 41,378,663,805,953.98
  5. Step 5: Solve for x
    x = 41,378,663,805,953.98/10,426,773.69
  6. Step 6: Final answer
    x = 3,968,501.19

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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.