Home / 31,384,682.55-47,076,153.57-8,355,814.65

Finding the Fourth Proportional to 31,384,682.55, 47,076,153.57 and 8,355,814.65

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Solution

The fourth proportional to 31,384,682.55, 47,076,153.57 and 8,355,814.65 is: 12,533,490.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,384,682.55 : 47,076,153.57 = 8,355,814.65 : x
  2. Step 2: Convert to fraction form
    31,384,682.55/47,076,153.57 = 8,355,814.65/x
  3. Step 3: Cross multiply
    31,384,682.55x = 47,076,153.57 × 8,355,814.65
  4. Step 4: Simplify right side
    31,384,682.55x = 393,359,613,665,855.81
  5. Step 5: Solve for x
    x = 393,359,613,665,855.81/31,384,682.55
  6. Step 6: Final answer
    x = 12,533,490.28

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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.