Home / 11,880,439.46-16,402,411.20-8,165,666.87

Finding the Fourth Proportional to 11,880,439.46, 16,402,411.20 and 8,165,666.87

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Solution

The fourth proportional to 11,880,439.46, 16,402,411.20 and 8,165,666.87 is: 11,273,709.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880,439.46 : 16,402,411.20 = 8,165,666.87 : x
  2. Step 2: Convert to fraction form
    11,880,439.46/16,402,411.20 = 8,165,666.87/x
  3. Step 3: Cross multiply
    11,880,439.46x = 16,402,411.20 × 8,165,666.87
  4. Step 4: Simplify right side
    11,880,439.46x = 133,936,625,641,944.89
  5. Step 5: Solve for x
    x = 133,936,625,641,944.89/11,880,439.46
  6. Step 6: Final answer
    x = 11,273,709.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.