Home / 31,384,682.87-47,076,154.05-8,355,814.96

Finding the Fourth Proportional to 31,384,682.87, 47,076,154.05 and 8,355,814.96

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Solution

The fourth proportional to 31,384,682.87, 47,076,154.05 and 8,355,814.96 is: 12,533,490.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,384,682.87 : 47,076,154.05 = 8,355,814.96 : x
  2. Step 2: Convert to fraction form
    31,384,682.87/47,076,154.05 = 8,355,814.96/x
  3. Step 3: Cross multiply
    31,384,682.87x = 47,076,154.05 × 8,355,814.96
  4. Step 4: Simplify right side
    31,384,682.87x = 393,359,632,211,409.38
  5. Step 5: Solve for x
    x = 393,359,632,211,409.38/31,384,682.87
  6. Step 6: Final answer
    x = 12,533,490.74

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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.