Home / 40,076,861.94-60,116,343.21-13,815,419.67

Finding the Fourth Proportional to 40,076,861.94, 60,116,343.21 and 13,815,419.67

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Solution

The fourth proportional to 40,076,861.94, 60,116,343.21 and 13,815,419.67 is: 20,723,491.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,076,861.94 : 60,116,343.21 = 13,815,419.67 : x
  2. Step 2: Convert to fraction form
    40,076,861.94/60,116,343.21 = 13,815,419.67/x
  3. Step 3: Cross multiply
    40,076,861.94x = 60,116,343.21 × 13,815,419.67
  4. Step 4: Simplify right side
    40,076,861.94x = 830,532,510,471,905
  5. Step 5: Solve for x
    x = 830,532,510,471,905/40,076,861.94
  6. Step 6: Final answer
    x = 20,723,491.57

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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.