Home / 10,140,578.55-15,226,063.71-8,778,553.38

Finding the Fourth Proportional to 10,140,578.55, 15,226,063.71 and 8,778,553.38

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Solution

The fourth proportional to 10,140,578.55, 15,226,063.71 and 8,778,553.38 is: 13,180,984.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140,578.55 : 15,226,063.71 = 8,778,553.38 : x
  2. Step 2: Convert to fraction form
    10,140,578.55/15,226,063.71 = 8,778,553.38/x
  3. Step 3: Cross multiply
    10,140,578.55x = 15,226,063.71 × 8,778,553.38
  4. Step 4: Simplify right side
    10,140,578.55x = 133,662,813,045,515.86
  5. Step 5: Solve for x
    x = 133,662,813,045,515.86/10,140,578.55
  6. Step 6: Final answer
    x = 13,180,984.93

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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.