Home / 10,543,517.05-15,783,782.78-6,281,491.45

Finding the Fourth Proportional to 10,543,517.05, 15,783,782.78 and 6,281,491.45

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Solution

The fourth proportional to 10,543,517.05, 15,783,782.78 and 6,281,491.45 is: 9,403,474.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543,517.05 : 15,783,782.78 = 6,281,491.45 : x
  2. Step 2: Convert to fraction form
    10,543,517.05/15,783,782.78 = 6,281,491.45/x
  3. Step 3: Cross multiply
    10,543,517.05x = 15,783,782.78 × 6,281,491.45
  4. Step 4: Simplify right side
    10,543,517.05x = 99,145,696,549,819.78
  5. Step 5: Solve for x
    x = 99,145,696,549,819.78/10,543,517.05
  6. Step 6: Final answer
    x = 9,403,474.77

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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.